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A244170 Number of compositions of n in which the minimal multiplicity of parts equals 7. 2
1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 3433, 6435, 17875, 19448, 43264, 50388, 96968, 119713, 208803, 256597, 422375, 512524, 785708, 976990, 1423465, 1737759, 2488824, 3001562, 4141412, 5012060, 6722158, 407104665, 1108110431, 3914660472, 10999975393 (list; graph; refs; listen; history; text; internal format)
OFFSET

7,15

LINKS

Alois P. Heinz, Table of n, a(n) for n = 7..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, 7) -b(n$2, 0, 8):

seq(a(n), n=7..55);

CROSSREFS

Column k=7 of A242451.

Sequence in context: A172881 A172913 A172708 * A245792 A046253 A031824

Adjacent sequences:  A244167 A244168 A244169 * A244171 A244172 A244173

KEYWORD

nonn

AUTHOR

Alois P. Heinz, Jun 21 2014

STATUS

approved

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Last modified October 25 09:51 EDT 2021. Contains 348239 sequences. (Running on oeis4.)