A244168 Number of compositions of n in which the minimal multiplicity of parts equals 5.

1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 253, 462, 1254, 1287, 2794, 3256, 6117, 6980, 12319, 13630, 22015, 25971, 38144, 43966, 64863, 828898, 2119622, 7035420, 18918950, 48777982, 117594112, 259516217, 574862404, 1204750520, 2487540831, 5003559312, 9935325156

Offset

5,11

Links

Alois P. Heinz, Table of n, a(n) for n = 5..400

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, $max(1, k)..n/i])))
    end:
a:= n-> b(n$2, 0, 5) -b(n$2, 0, 6):
seq(a(n), n=5..50);

Crossrefs

Column k=5 of A242451.

Sequence in context: A172690 A088851 A373916 * A002289 A158078 A157356

Adjacent sequences: A244165 A244166 A244167 * A244169 A244170 A244171

Keyword

nonn

Author

Alois P. Heinz, Jun 21 2014

Status

approved