A276899 Number of ordered set partitions of [n] such that for each block b the smallest integer interval containing b has at most nine elements.

1, 1, 3, 13, 75, 541, 4683, 47293, 545835, 7087261, 95160302, 1336605832, 19761235784, 308372439520, 5082485111648, 88427826212320, 1622190325391504, 31329432209039896, 635929197472661444, 13526250938401091568, 300743675140836904032, 6975365075051730713856

Offset

0,3

Links

Alois P. Heinz, Table of n, a(n) for n = 0..448

Formula

a(n) ~ exp(8) * n!. - Vaclav Kotesovec, Sep 22 2016

Crossrefs

Column k=9 of A276890.

Cf. A276725.

Sequence in context: A276898 A276928 A343792 * A276929 A343793 A276900

Adjacent sequences: A276896 A276897 A276898 * A276900 A276901 A276902

Keyword

nonn

Author

Alois P. Heinz, Sep 21 2016

Status

approved