A270768 Total sum of the sizes of all blocks with minimal element 5 in all set partitions of {1,2,...,n}.
15, 82, 456, 2623, 15717, 98367, 643401, 4395802, 31336468, 232773295, 1799100571, 14446912419, 120354176611, 1038736540222, 9275288018740, 85580969753059, 814958928731237, 8000443830761623, 80882083469431805, 841236045441243662, 8992982601018855952
Offset: 5
Keywords
Links
- Alois P. Heinz, Table of n, a(n) for n = 5..575
- Wikipedia, Partition of a set