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A004058
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Expansion of (1-x)/( (1+x)*(1-2*x)*(1-3*x)*(1-4*x)*(1-5*x)).
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2
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1, 12, 99, 686, 4305, 25368, 143263, 785202, 4211229, 22226204, 115899147, 598832598, 3072304873, 15676477920, 79649367351, 403336249274, 2037103422837, 10267399442916, 51665107485475
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OFFSET
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0,2
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LINKS
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FORMULA
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a(n) = (1/180)*(2500*5^n - 3456*4^n + 1215*3^n - 80*2^n + (-1)^n).
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PROG
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(Magma) [(1/180) *(2500*5^n - 3456*4^n + 1215*3^n - 80*2^n + (-1)^n): n in [0..30]]; // Vincenzo Librandi, Oct 08 2011
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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STATUS
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approved
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