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A017310
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a(n) = (10*n + 3)^6.
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1
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729, 4826809, 148035889, 1291467969, 6321363049, 22164361129, 62523502209, 151334226289, 326940373369, 646990183449, 1194052296529, 2081951752609, 3462825991689, 5534900853769, 8550986578849
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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: (-729-4821706*x-114263535*x^2-356554220*x^3-220928135*x^4- 23314026*x^5- 117649*x^6)/(-1+x)^7 - Harvey P. Dale, Jul 10 2021
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MATHEMATICA
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(10 Range[0, 20]+3)^6 (* or *) LinearRecurrence[{7, -21, 35, -35, 21, -7, 1}, {729, 4826809, 148035889, 1291467969, 6321363049, 22164361129, 62523502209}, 20] (* Harvey P. Dale, Jul 10 2021 *)
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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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