A248118 Number of subsets of {1,...,n} containing n and having at least one set partition into 9 blocks with equal element sum.

1, 2, 11, 26, 111, 280, 980, 2599, 8292, 22644, 67300

Offset

17,2

Links

Table of n, a(n) for n=17..27.

Crossrefs

Column k=9 of A248112.

Sequence in context: A371344 A104085 A080663 * A320648 A141464 A218471

Adjacent sequences: A248115 A248116 A248117 * A248119 A248120 A248121

Keyword

nonn,more

Author

Alois P. Heinz, Oct 02 2014

Status

approved