>Sum=(N^3)/6+(N^2)/2+N/3
>If this is right, I will send you bill ::)
Ladies and gents, we have a winner! That is, converting, the same as my solution of Gifts = n * (n+1) * (n+2) / 6. Congratulations, Edward!
The Anonymous Bureaucrat,
and frankly, quite content not to be
a member of either major US political party.
