A244171 Number of compositions of n in which the minimal multiplicity of parts equals 8.

1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 12871, 24310, 68068, 75582, 169728, 203490, 395352, 490314, 874312, 1105885, 1809523, 2319967, 3553845, 4495635, 6706767, 8379039, 12014983, 15065623, 20868122, 25855787, 35250728, 43103655, 57415602, 70106277

Offset

8,17

Links

Alois P. Heinz, Table of n, a(n) for n = 8..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, 8) -b(n$2, 0, 9):
seq(a(n), n=8..55);

Crossrefs

Column k=8 of A242451.

Sequence in context: A172609 A172560 A031805 * A245793 A251922 A184453

Adjacent sequences: A244168 A244169 A244170 * A244172 A244173 A244174

Keyword

nonn

Author

Alois P. Heinz, Jun 21 2014

Status

approved