A244169 Number of compositions of n in which the minimal multiplicity of parts equals 6.

1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 925, 1716, 4719, 5005, 11011, 12376, 24494, 28848, 49771, 60985, 94997, 113323, 176576, 205948, 300841, 362000, 502840, 588343, 17972200, 47500741, 164220317, 452654380, 1198032651, 2936508011, 6683727408, 15107475055

Offset

6,13

Links

Alois P. Heinz, Table of n, a(n) for n = 6..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, 6) -b(n$2, 0, 7):
seq(a(n), n=6..50);

Crossrefs

Column k=6 of A242451.

Sequence in context: A115696 A066741 A325141 * A245791 A229641 A147548

Adjacent sequences: A244166 A244167 A244168 * A244170 A244171 A244172

Keyword

nonn

Author

Alois P. Heinz, Jun 21 2014

Status

approved