Triangular array T read by rows: T(n,k)=n mod k, for k=1,2,...,n, n=1,2,... 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 2, 1, 0, 0, 0, 0, 2, 1, 0, 0, 1, 1, 3, 2, 1, 0, 0, 0, 2, 0, 3, 2
1 seqfan posts