Total sum of lengths of the longest decreasing sequences in heapable permutations of length n.
A389282
Total sum of lengths of the longest decreasing sequences in heapable permutations of length n.
Terms
- a(0) =1a(1) =1a(2) =3a(3) =9a(4) =36a(5) =170a(6) =965a(7) =6313a(8) =46987a(9) =392093a(10) =3632933a(11) =37031537a(12) =412058662a(13) =4971801994a(14) =64678909530
External references
- oeis: A389282