Total sum T(n,k) of the sizes of all blocks with maximal element k in all set partitions of {1,2,...,n}; triangle T(n,k), n>=1, 1<=k<=n, read by rows.
A270701
Total sum T(n,k) of the sizes of all blocks with maximal 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) =1a(2) =3a(3) =2a(4) =4a(5) =9a(6) =5a(7) =9a(8) =16a(9) =30a(10) =15a(11) =25a(12) =41a(13) =67a(14) =112a(15) =52a(16) =82a(17) =127a(18) =195a(19) =299a(20) =463a(21) =203a(22) =307a(23) =456a(24) =670a(25) =979a(26) =1429a(27) =2095a(28) =877a(29) =1283
External references
- oeis: A270701