Total sum of the sizes of all blocks with minimal element 7 in all set partitions of {1,2,...,n}.
A270770
Total sum of the sizes of all blocks with minimal element 7 in all set partitions of {1,2,...,n}.
Terms
- a(0) =203a(1) =1283a(2) =8257a(3) =54692a(4) =374718a(5) =2661473a(6) =19610565a(7) =149888167a(8) =1187718179a(9) =9749390152a(10) =82822876970a(11) =727437579645
External references
- oeis: A270770