A248116 Number of subsets of {1,...,n} containing n and having at least one set partition into 7 blocks with equal element sum.
1, 2, 9, 21, 76, 191, 581, 1498, 4289, 11178, 30228, 78312, 203322
Offset: 13
Crossrefs
Column k=7 of A248112.