A320618 Number of ordered set partitions of [n] where k = five is minimal such that for each block b the smallest integer interval containing b has at most k elements.

75, 870, 8760, 90084, 998560, 12043772, 155970678, 2155709610, 31695391776, 494515357842, 8168550752022, 142500961444392, 2619097176333672, 50601139406075592, 1025475335759015016, 21756722754354930024, 482359980950031673440, 11156266866807100122120

Offset

5,1

Links

Alois P. Heinz, Table of n, a(n) for n = 5..450

Crossrefs

Column k=5 of A276891.

Cf. A320555.

Sequence in context: A199901 A251249 A264673 * A218094 A285920 A293581

Adjacent sequences: A320615 A320616 A320617 * A320619 A320620 A320621

Keyword

nonn

Author

Alois P. Heinz, Oct 17 2018

Status

approved