A271796 Number of set partitions of [n] having exactly nine pairs (m,m+1) such that m is in some block b and m+1 is in block b+1.

0, 1, 55, 1505, 29324, 470327, 6695470, 88385973, 1111798442, 13564841773, 162467818939, 1926323411088, 22746380908378, 268674567620291, 3184862187668777, 37981401796219812, 456537084216273054, 5538881542974933954, 67901571491109849536, 841799517686212572527

Offset

9,3

Links

Alois P. Heinz, Table of n, a(n) for n = 9..300

Crossrefs

Column k=9 of A185982.

Sequence in context: A264467 A017771 A322502 * A222836 A017718 A173113

Adjacent sequences: A271793 A271794 A271795 * A271797 A271798 A271799

Keyword

nonn

Author

Alois P. Heinz, Apr 14 2016

Status

approved