Number of n-member subsets of [9*n] whose elements sum to a multiple of nine.

A318597

Number of n-member subsets of [9*n] whose elements sum to a multiple of nine.

Terms

    a(0) =1a(1) =1a(2) =17a(3) =327a(4) =6545a(5) =135751a(6) =2869719a(7) =61474519a(8) =1329890705a(9) =28987537806a(10) =635627275767

External references