# Problems

51 – 100 of 108
 Problem Title Likes Solvers Difficulty

#### Problem 48045. Find the Pattern 6

Created by: Doddy Kastanya

0

117

#### Problem 52956. Compute the largest number whose prime factors sum to n

Created by: ChrisR

1

6

#### Problem 45335. Take it out

Created by: Asif Newaz

Tags sequence

1

12

Created by: goc3

2

53

#### Problem 50811. Compute the nth term from the Sieve of Flavius Josephus

Created by: ChrisR

Tags sequence, sieve

1

10

#### Problem 56593. List the nth term of Rozhenko’s inventory sequence

Created by: ChrisR

1

4

#### Problem 47793. Find the smallest prime with n inside

Created by: ChrisR

3

15

#### Problem 55275. List the semiprimes

Created by: ChrisR

0

7

#### Problem 51246. Characterize the final state of another digit inventory sequence

Created by: ChrisR

2

8

#### Problem 45344. lucky

Created by: Asif Newaz

2

12

Created by: goc3

4

41

#### Problem 51813. Sum the elements in rows of the Levine triangle

Created by: ChrisR

1

7

#### Problem 51950. Find the smallest integer m such that n divides m!

Created by: ChrisR

2

11

#### Problem 52881. List the cuban primes

Created by: ChrisR

1

8

#### Problem 1901. GJam 2014 China Rd A: Read Phone Number

Created by: Richard Zapor

1

12

Created by: HH

3

15

#### Problem 45473. Sub-sequence - 01

Created by: Asif Newaz

Tags sequence

1

7

#### Problem 46571. Characterize the final state of the digit inventory sequence

Created by: ChrisR

1

7

#### Problem 46594. Create a sequence of primes p such that p > n π(p)

Created by: ChrisR

1

9

#### Problem 49808. Identify eban numbers

Created by: ChrisR

2

12

#### Problem 47390. Find Logic 29

Created by: Dev Gupta

Tags logic, cody, logical

2

80

#### Problem 54345. Fill a rectangle with 1x1 and 2x2 tiles

Created by: ChrisR

Tags tiles, sequence

2

11

#### Problem 52629. Count the ways to draw non-intersecting chords between points on a circle

Created by: ChrisR

1

7

#### Problem 45343. How lucky r u ?

Created by: Asif Newaz

2

12

#### Problem 52669. Count the primes in Collatz sequences

Created by: ChrisR

1

11

#### Problem 48040. Find the Pattern 5

Created by: Doddy Kastanya

0

62

Created by: goc3

1

80

#### Problem 49572. Compute the largest number possible with the Brussels choice

Created by: ChrisR

2

8

#### Problem 51715. Iterate the sum of divisors and totient

Created by: ChrisR

3

10

#### Problem 54680. Determine whether a number is practical

Created by: ChrisR

2

5

#### Problem 51241. Compute home primes in a given base

Created by: ChrisR

0

6

#### Problem 47518. Play Outside In with primes

Created by: ChrisR

1

7

#### Problem 57288. Sum the unitary divisors of a number

Created by: ChrisR

1

7

#### Problem 45423. Bernoulli's Triangle

Created by: Asif Newaz

Tags easy, sequence

2

15

#### Problem 47895. List the dihedral primes

Created by: ChrisR

2

9

#### Problem 47073. Find the nth Fibbinary number

Created by: ChrisR

2

10

#### Problem 48075. Play PRIMEGAME

Created by: ChrisR

2

10

#### Problem 52522. Easy Sequences 4: Eliminate the Days of Confusion

Created by: Ramon Villamangca

3

18

#### Problem 57477. Solve an equation involving primes and fractions

Created by: ChrisR

2

3

#### Problem 57492. Compute the Tetris sequence

Created by: ChrisR

1

4

#### Problem 57512. Easy Sequences 89: Double Summation of a Trigonometric Product

Created by: Ramon Villamangca

1

1

#### Problem 57535. Find patterns in subprime Fibonacci sequences

Created by: ChrisR

0

2

#### Problem 2190. Order of things - 2

Created by: J-G van der Toorn

2

10

#### Problem 45474. Sub-sequence - 02

Created by: Asif Newaz

Tags sequence

1

5

#### Problem 45475. Sub-sequence - 03

Created by: Asif Newaz

Tags sequence

2

5

#### Problem 53990. Classify product/digit-sum sequences

Created by: ChrisR

4

8

#### Problem 54355. Compute a determinant

Created by: ChrisR

0

4

#### Problem 54645. Determine whether the input is an anagram number

Created by: ChrisR

0

5

#### Problem 54660. Generate the Figure-Figure sequence

Created by: ChrisR

2

5

#### Problem 54775. Flip the parity of digits in a decimal expansion

Created by: ChrisR

1

4

51 – 100 of 108