A101598 Triangle read by rows: T(n,k) = number of distinct digits in decimal representation of binomial(n,k), 0<=k<=n.

1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 1, 1, 2, 2, 2, 1, 1, 1, 1, 2, 2, 2, 2, 1, 1, 1, 1, 2, 2, 2, 2, 2, 1, 1, 1, 1, 2, 2, 3, 3, 2, 2, 1, 1, 1, 2, 2, 3, 3, 2, 3, 3, 2, 2, 1, 1, 1, 1, 3, 2, 3, 3, 2, 3, 1, 1, 1, 1, 2, 1, 2, 3, 3, 3, 3, 3, 2, 1, 2, 1, 1, 2, 2, 3, 3, 4, 3, 3, 4, 3, 3, 2, 2, 1