A244172 - OEIS

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

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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