What is the sum of the following sequence:
Σ(2k-1) for k=1...n
for different n?
Additional test cases have been added.
Summing Digits within Text
Remove the two elements next to NaN value
Generate a vector like 1,2,2,3,3,3,4,4,4,4
Duplicate a character
Square a Number
Sum of series III
Sum of series VII
Sum of series II
Sum of series IV
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