A243124 Number of compositions of n in which the maximal multiplicity of parts equals 7.
1, 0, 8, 8, 44, 80, 236, 513, 1246, 2780, 6280, 13786, 30070, 64696, 134585, 285384, 594786, 1207084, 2453682, 4972098, 9946044, 19646041, 38691878, 75939596, 147425468, 283809162, 546291230, 1042095956, 1977521091, 3730060870, 7022446786, 13104269980
Offset: 7
Keywords
Links
- Alois P. Heinz, Table of n, a(n) for n = 7..1000
Crossrefs
Column k=7 of A242447.
Programs
-
Maple
b:= proc(n, i, p, k) option remember; `if`(n=0, p!, `if`(i<1, 0, add(b(n-i*j, i-1, p+j, k)/j!, j=0..min(n/i, k)))) end: a:= n-> b(n$2, 0, 7) -b(n$2, 0, 6): seq(a(n), n=7..50);