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A156330
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Numerator of Euler(n, 1/12).
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1
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1, -5, -11, 415, 1705, -120125, -737891, 73544935, 602197585, -77251102325, -790660144571, 123981052932655, 1522721707926265, -282190333761783725, -4043468004740204051, 864617687280807347575, 14158848206836206915745, -3431276846283480837508325
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OFFSET
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0,2
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LINKS
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FORMULA
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G.f.: conjecture T(0)/(1+5*x), where T(k) = 1 - 36*x^2*(k+1)^2/(36*x^2*(k+1)^2 + (1+5*x)^2/T(k+1) ); (continued fraction). - Sergei N. Gladkovskii, Nov 12 2013
a(n) = (-6)^n*skp(n, 5/6), where skp(n,x) are the Swiss-Knife polynomials A153641. - Peter Luschny, Apr 19 2014
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MATHEMATICA
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CROSSREFS
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KEYWORD
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sign,frac
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AUTHOR
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STATUS
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approved
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