Problem 2575. Sum of series I
What is the sum of the following sequence:
Σ(2k-1) for k=1...n
for different n?
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goc3
on 13 Jun 2017
Additional test cases have been added.
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CUP Challenge
- 11 Problems
- 4037 Finishers
- Length of a short side
- Triangle sequence
- Find a Pythagorean triple
- Is this triangle right-angled?
- Is this triangle right-angled?
- Area of an Isoceles Triangle
- Side of a rhombus
- Side of an equilateral triangle
- Area of an equilateral triangle
- Length of the hypotenuse
- Triangle sequence
- Is this triangle right-angled?
- Find a Pythagorean triple
- Is this triangle right-angled?
- Dimensions of a rectangle
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