A270765 Total sum of the sizes of all blocks with minimal element 2 in all set partitions of {1,2,...,n}.
1, 4, 16, 67, 299, 1429, 7307, 39848, 230884, 1416047, 9160977, 62316137, 444424965, 3314372728, 25786012724, 208842481687, 1757367578867, 15337268316933, 138603393210479, 1295082562497364, 12494759080718152, 124314054484739035, 1274003246005735449
Offset: 2
Keywords
Links
- Alois P. Heinz, Table of n, a(n) for n = 2..575
- Wikipedia, Partition of a set