What is the sum of the following sequence:
Σ(-1)^(k+1) (2k-1)^2 for k=1...n
for different n?
Additional test cases have been added.
Please check your test suites, results must have opposite signs.
Thanks! The problem now is reformulated;)
Filter AC, pass DC
Make a run-length companion vector
Getting the indices from a matrice
Sum of series I
Sum of series VI
Sum of series VII
Sum of series III
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