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A270765 Total sum of the sizes of all blocks with minimal element 2 in all set partitions of {1,2,...,n}. 3
1, 4, 16, 67, 299, 1429, 7307, 39848, 230884, 1416047, 9160977, 62316137, 444424965, 3314372728, 25786012724, 208842481687, 1757367578867, 15337268316933, 138603393210479, 1295082562497364, 12494759080718152, 124314054484739035, 1274003246005735449 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,2

LINKS

Alois P. Heinz, Table of n, a(n) for n = 2..575

Wikipedia, Partition of a set

CROSSREFS

Column k=2 of A270702.

A diagonal of A270701.

Sequence in context: A024551 A261048 A091153 * A292759 A259815 A283036

Adjacent sequences:  A270762 A270763 A270764 * A270766 A270767 A270768

KEYWORD

nonn

AUTHOR

Alois P. Heinz, Mar 22 2016

STATUS

approved

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Last modified February 25 21:00 EST 2020. Contains 332258 sequences. (Running on oeis4.)