Irregular triangle read by rows: T(n,k) is the total number of parts in all partitions with k designated summands of all positive integers <= n, with n >= 1, 1 <= k <= A003056(n).

A389679

Irregular triangle read by rows: T(n,k) is the total number of parts in all partitions with k designated summands of all positive integers <= n, with n >= 1, 1 <= k <= A003056(n).