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A289486
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G.f.: Product_{m>0} (1 + x^m + 2!*x^(2*m) + 3!*x^(3*m) + 4!*x^(4*m)).
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3
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1, 1, 3, 8, 30, 13, 48, 61, 142, 170, 378, 430, 1099, 872, 1304, 2305, 3626, 4042, 6900, 8086, 13634, 17628, 24915, 29524, 53998, 51718, 74953, 96996, 150104, 172292, 234938, 296472, 416064, 504132, 690826, 812625, 1184134, 1378774, 1823778, 2264576, 3115051
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OFFSET
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0,3
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LINKS
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MAPLE
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b:= proc(n, i) option remember; `if`(n=0, 1, `if`(i<1, 0,
add(b(n-i*j, i-1)*j!, j=0..min(4, n/i))))
end:
a:= n-> b(n$2):
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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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