Number T(n,k) of partitions of [n] into k blocks whose element sum is <= n; triangle T(n,k), n >= 0, ceiling((n-1)/2)+signum(n) <= k <= n, read by rows.
A375023
Number T(n,k) of partitions of [n] into k blocks whose element sum is <= n; triangle T(n,k), n >= 0, ceiling((n-1)/2)+signum(n) <= k <= n, read by rows.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =2a(6) =1a(7) =1a(8) =4a(9) =1a(10) =5a(11) =6a(12) =1a(13) =1a(14) =15a(15) =9a(16) =1a(17) =12a(18) =32a(19) =12a(20) =1a(21) =1a(22) =58a(23) =65a(24) =16a(25) =1a(26) =31a(27) =170a(28) =111a(29) =20
External references
- oeis: A375023