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A244169
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Number of compositions of n in which the minimal multiplicity of parts equals 6.
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3
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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
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OFFSET
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6,13
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LINKS
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MAPLE
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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);
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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