A270767 Total sum of the sizes of all blocks with minimal element 4 in all set partitions of {1,2,...,n}.

5, 25, 127, 670, 3702, 21485, 131007, 838485, 5624233, 39465366, 289162042, 2208190845, 17544083557, 144774580209, 1238893540107, 10977721223490, 100583317230394, 951731543130505, 9288688865151775, 93402218357061709, 966643007728282629, 10286173737875876050

Offset: 4

Author

Alois P. Heinz, Mar 22 2016

Keywords

• nonn

Links

• Alois P. Heinz, Table of n, a(n) for n = 4..575
• Wikipedia, Partition of a set

Crossrefs

Column k=4 of A270702.

A diagonal of A270701.