A287260 Number of set partitions of [n] such that all absolute differences between least elements of consecutive blocks are <= ten.

1, 1, 2, 5, 15, 52, 203, 877, 4140, 21147, 115975, 678570, 4213596, 27643409, 190833091, 1381223515, 10448641031, 82388624090, 675565642030, 5748668560311, 50672729373781, 461933478903121, 4348527928700455, 42216300909368230, 422143264687282845

Offset: 0

Author

Alois P. Heinz, May 22 2017

Keywords

• nonn

Links

• Alois P. Heinz, Table of n, a(n) for n = 0..579
• Wikipedia, Partition of a set

Crossrefs

Column k=10 of A287216.

Cf. A000110.

Formula

a(n) = A287216(n,10).

a(n) = A000110(n) for n <= 11.