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A017056
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a(n) = (7*n + 6)^4.
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1
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1296, 28561, 160000, 531441, 1336336, 2825761, 5308416, 9150625, 14776336, 22667121, 33362176, 47458321, 65610000, 88529281, 116985856, 151807041, 193877776, 244140625, 303595776, 373301041
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OFFSET
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0,1
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LINKS
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FORMULA
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G.f.: -(1296 + 22081*x + 30155*x^2 + 4091*x^3 + x^4)/(x-1)^5. - R. J. Mathar, Jul 14 2016
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PROG
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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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