A294058 Number of set partitions of [n] such that the maximal absolute difference between consecutive elements within a block equals nine.

4140, 49697, 455371, 3756660, 29303172, 220506007, 1616326536, 11602806171, 81849519019, 569127774789, 3911294945801, 26619412609350, 179676383034601, 1204239150572143, 8022049955315373, 53157083625640443, 350620610289045902, 2303382775646163099, 15078600881355124553

Offset: 10

Author

Alois P. Heinz, Oct 22 2017

Keywords

• nonn
• easy

Links

• Alois P. Heinz, Table of n, a(n) for n = 10..1000

Crossrefs

Column k=9 of A287213.

Cf. A287280, A287281.

Formula

a(n) = A287281(n) - A287280(n).