Number of length n - 1 ordered set partitions of {1..n} where no element of any block is greater than any element of a non-adjacent consecutive block.
A332724
Number of length n - 1 ordered set partitions of {1..n} where no element of any block is greater than any element of a non-adjacent consecutive block.
Terms
- a(0) =0a(1) =0a(2) =1a(3) =6a(4) =14a(5) =32a(6) =65a(7) =128a(8) =243a(9) =452a(10) =826a(11) =1490a(12) =2659a(13) =4704a(14) =8261a(15) =14418a(16) =25030a(17) =43252a(18) =74437a(19) =127648a(20) =218199a(21) =371920a(22) =632306a(23) =1072486a(24) =1815239a(25) =3066432a(26) =5170825a(27) =8705118a(28) =14632958a(29) =24562952
External references
- oeis: A332724