A276726 Number of set partitions of [n] such that for each block b the smallest integer interval containing b has at most ten elements.

1, 1, 2, 5, 15, 52, 203, 877, 4140, 21147, 115975, 562595, 2504665, 10579224, 43453459, 176472854, 716369167, 2927448727, 12099445274, 50734619570, 216264854789, 928045216933, 3986352066095, 17086933963355, 72987960721209, 310631150855373, 1317808552742134

Offset: 0

Author

Alois P. Heinz, Sep 16 2016

Keywords

• nonn

Links

• Alois P. Heinz, Table of n, a(n) for n = 0..512
• Pierpaolo Natalini, Paolo Emilio Ricci, New Bell-Sheffer Polynomial Sets, Axioms 2018, 7(4), 71.
• Wikipedia, Partition of a set

Crossrefs

Column k=10 of A276719.

Cf. A276844, A276900.