Number T(n,k) of set partitions of [n] into k blocks such that the absolute difference between least elements of consecutive blocks is always > 1; triangle T(n,k), n>=0, 0<=k<=ceiling(n/2), read by rows.
A298668
Number T(n,k) of set partitions of [n] into k blocks such that the absolute difference between least elements of consecutive blocks is always > 1; triangle T(n,k), n>=0, 0<=k<=ceiling(n/2), read by rows.
Terms
- a(0) =1a(1) =0a(2) =1a(3) =0a(4) =1a(5) =0a(6) =1a(7) =1a(8) =0a(9) =1a(10) =3a(11) =0a(12) =1a(13) =7a(14) =2a(15) =0a(16) =1a(17) =15a(18) =12a(19) =0a(20) =1a(21) =31a(22) =50a(23) =6a(24) =0a(25) =1a(26) =63a(27) =180a(28) =60a(29) =0
External references
- oeis: A298668