Cody

Problems

51 – 73 of 73
Problem Title
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Solvers
Difficulty

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

Created by: ChrisR

Tags primes, sequence

1

9

Problem 52881. List the cuban primes

Created by: ChrisR

Tags primes, project euler, sequence

1

6

Problem 45343. How lucky r u ?

Created by: Asif Newaz

Tags number, sequence, lucky

2

12

Problem 45344. lucky

Created by: Asif Newaz

Tags numbers, sequence, lucky

2

12

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

Created by: ChrisR

Tags counting, sequence

1

5

Problem 48040. Find the Pattern 5

Created by: Doddy Kastanya

Tags logic, sequence, pattern

0

42

Problem 44732. Highly divisible triangular number (inspired by Project Euler 12)

Created by: goc3

Tags series, triangle, projecteuler

1

60

Problem 52183. List the nth prime quartet prefix

Created by: ChrisR

Tags primes, convolution, sequence

0

5

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

Created by: ChrisR

Tags strings, sequence, greedy

1

3

Problem 47518. Play Outside In with primes

Created by: ChrisR

Tags primes, puzzle, sequence

0

5

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

Created by: ChrisR

Tags sequence, factorial, divisibility

1

6

Problem 51241. Compute home primes in a given base

Created by: ChrisR

Tags primes, sequence, base conversion

0

6

Problem 52669. Count the primes in Collatz sequences

Created by: ChrisR

Tags primes, sequence, another collatz problem

1

6

Problem 45423. Bernoulli's Triangle

Created by: Asif Newaz

Tags easy, sequence

1

14

Problem 48075. Play PRIMEGAME

Created by: ChrisR

Tags primes, sequence, conway

2

9

Problem 47073. Find the nth Fibbinary number

Created by: ChrisR

Tags binary, fibonacci, sequence

2

10

Problem 2190. Order of things - 2

Created by: J-G van der Toorn

Tags matrix, sequence, algorithm

2

10

Problem 51077. List composite numbers that cannot be written as the sum of two primes

Created by: ChrisR

Tags primes, number theory, sequence

2

7

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

Created by: Ramon Villamangca

Tags easy, sequence, date and time

2

9

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

Created by: ChrisR

Tags combinatorics, geometry, sequence

0

3

Problem 45473. Sub-sequence - 01

Created by: Asif Newaz

Tags sequence

0

5

Problem 47895. List the dihedral primes

Created by: ChrisR

Tags primes, sequence, symmetry

2

7

Problem 45272. Pseudo-vampire number

Created by: Asif Newaz

Tags numbers, number theory, sequence

2

18
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