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A131640
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First differences are periodic: 50, 50, 75, 50, 50, 75, ...
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1
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985, 1035, 1085, 1160, 1210, 1260, 1335, 1385, 1435, 1510, 1560, 1610, 1685, 1735, 1785, 1860, 1910, 1960, 2035, 2085, 2135, 2210, 2260, 2310, 2385, 2435, 2485, 2560, 2610, 2660, 2735, 2785, 2835, 2910, 2960, 3010, 3085, 3135, 3185, 3260, 3310, 3360
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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.: -5*(-197-10*x-10*x^2+182*x^3)/((-1+x)^2*(x^2+x+1)). - R. J. Mathar, Nov 14 2007
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MAPLE
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MATHEMATICA
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LinearRecurrence[{1, 0, 1, -1}, {985, 1035, 1085, 1160}, 50] (* Ray Chandler, Aug 25 2015 *)
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PROG
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(PARI) Vec(-5*(-197-10*x-10*x^2+182*x^3)/((-1+x)^2*(x^2+x+1)) + O(x^40)) \\ Andrew Howroyd, Feb 20 2018
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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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Eric M. Adler (eadler(AT)simi.k12.ca.us), Sep 05 2007
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EXTENSIONS
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STATUS
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approved
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