Total sum of major indices of heapable permutations of length n.
A387955
Total sum of major indices of heapable permutations of length n.
Terms
- a(0) =0a(1) =0a(2) =2a(3) =10a(4) =65a(5) =426a(6) =3151a(7) =25569a(8) =229130a(9) =2248803a(10) =24063522a(11) =279151675a(12) =3493521566a(13) =46949162659a(14) =674728648922
External references
- oeis: A387955