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A276898
Number of ordered set partitions of [n] such that for each block b the smallest integer interval containing b has at most eight elements.
3
1, 1, 3, 13, 75, 541, 4683, 47293, 545835, 6541426, 82575992, 1105638712, 15740668640, 238286993344, 3830996668880, 65290928665336, 1177060804189460, 22361980927148976, 446348461695232608, 9336784271669066016, 204240575957464571232, 4663193421334759826472
OFFSET
0,3
LINKS
FORMULA
a(n) ~ exp(7) * n!. - Vaclav Kotesovec, Sep 22 2016
CROSSREFS
Column k=8 of A276890.
Cf. A276724.
Sequence in context: A276897 A276927 A343791 * A276928 A343792 A276899
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Sep 21 2016
STATUS
approved