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A029750
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List of numbers of the form 2^k times 1, 3, 5 or 7.
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20
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1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 16, 20, 24, 28, 32, 40, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, 320, 384, 448, 512, 640, 768, 896, 1024, 1280, 1536, 1792, 2048, 2560, 3072, 3584, 4096, 5120, 6144, 7168, 8192, 10240
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,2
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LINKS
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FORMULA
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G.f.: -x*(x+1)^2*(x^2+1)^2 / (2*x^4-1). - Colin Barker, Jul 19 2013
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MATHEMATICA
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CoefficientList[Series[-(x + 1)^2 (x^2 + 1)^2/(2 x^4 - 1), {x, 0, 50}], x] (* Vincenzo Librandi, Oct 19 2013 *)
LinearRecurrence[{0, 0, 0, 2}, {1, 2, 3, 4, 5, 6, 7}, 50] (* Harvey P. Dale, Aug 24 2019 *)
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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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EXTENSIONS
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STATUS
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approved
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