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A190957
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a(n) = 10*a(n-1) + 8*a(n-2), with a(0)=0, a(1)=1.
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3
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0, 1, 10, 108, 1160, 12464, 133920, 1438912, 15460480, 166116096, 1784844800, 19177376768, 206052526080, 2213944274944, 23787862958080, 255590183780352, 2746204741468160, 29506768884924416, 317037326780989440, 3406427418889289728, 36600572803140812800
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OFFSET
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0,3
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LINKS
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FORMULA
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MATHEMATICA
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LinearRecurrence[{10, 8}, {0, 1}, 50]
CoefficientList[Series[x/(1-10*x-8*x^2), {x, 0, 50}], x] (* G. C. Greubel, Jan 15 2018 *)
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PROG
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(PARI) x='x+O('x^30); concat([0], Vec(x/(1-10*x-8*x^2))) \\ G. C. Greubel, Jan 15 2018
(Magma) I:=[0, 1]; [n le 2 select I[n] else 10*Self(n-1) + 8*Self(n-2): n in [1..30]]; // G. C. Greubel, Jan 15 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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STATUS
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approved
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