A244172 Number of compositions of n in which the minimal multiplicity of parts equals 9.

1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 48621, 92378, 260338, 293930, 665380, 817190, 1601434, 2042975, 3621970, 4735446, 7816468, 10182965, 16000962, 20657495, 30908965, 40042564, 57618781, 73732010, 103908101, 131402898, 180193883, 227106010

Offset

9,19

Links

Alois P. Heinz, Table of n, a(n) for n = 9..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, 9) -b(n$2, 0, 10):
seq(a(n), n=9..60);

Crossrefs

Column k=9 of A242451.

Sequence in context: A177315 A172613 A172554 * A245794 A048341 A062204

Adjacent sequences: A244169 A244170 A244171 * A244173 A244174 A244175

Keyword

nonn

Author

Alois P. Heinz, Jun 21 2014

Status

approved