What is the sum of the following sequence:
Σk(k+1) for k=1...n
for different n?
Additional test cases have been added.
Find the alphabetic word product
Simple equation: Annual salary
02 - Vector Variables 4
06 - Matrix Equations 2
Sum the squares of numbers from 1 to n
Sum of series VI
Sum of series IV
Sum of series III
Sum of series VII
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