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A270960
Number of set partitions of [n] having exactly six pairs (m,m+1) such that m+1 is in some block b and m is in block b+1
2
1, 76, 1650, 23031, 264716, 2788215, 28315287, 284453798, 2865664275, 29172005637, 301410662549, 3169264274716, 33967946651067, 371460612845541, 4146934516914449, 47274580420037008, 550357684288267873, 6542615612312034842, 79410538735157560508
OFFSET
10,2
LINKS
EXAMPLE
a(10) = 1: 136(10)|259|48|7.
CROSSREFS
Column k=6 of A270953.
Sequence in context: A293310 A061618 A185819 * A060190 A156399 A232830
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Mar 26 2016
STATUS
approved