What is the sum of the following sequence:
Σ(2k-1)^3 for k=1...n
for different n?
Additional test cases have been added.
Select every other element of a vector
Determine whether a vector is monotonically increasing
Implement a ROT13 cipher
"Low : High - Low : High - Turn around " -- Create a subindices vector
Sum of series VI
Sum of series II
Sum of series VII
Sum of series I
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