Total sum T(n,k) of the sizes of all blocks with minimal element k in all set partitions of {1,2,...,n}; triangle T(n,k), n>=1, 1<=k<=n, read by rows.
A270702
Total sum T(n,k) of the sizes of all blocks with minimal element k in all set partitions of {1,2,...,n}; triangle T(n,k), n>=1, 1<=k<=n, read by rows.
Terms
- a(0) =1a(1) =3a(2) =1a(3) =9a(4) =4a(5) =2a(6) =30a(7) =16a(8) =9a(9) =5a(10) =112a(11) =67a(12) =41a(13) =25a(14) =15a(15) =463a(16) =299a(17) =195a(18) =127a(19) =82a(20) =52a(21) =2095a(22) =1429a(23) =979a(24) =670a(25) =456a(26) =307a(27) =203a(28) =10279a(29) =7307
External references
- oeis: A270702