For some reason, my code gets the right answer for all small inputs (<12) but is 1 greater than both the large test cases I've found.
It gets that s(212) = 995645336, as compared to 995645335, and s(500) = 732986521245024, as compared to 732986521245023 given before.
Anyone have any test cases with an input between 11 and 212 to help me pinpoint this problem?

Edited by author 18.08.2020 20:03