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A156330
Numerator of Euler(n, 1/12).
1
1, -5, -11, 415, 1705, -120125, -737891, 73544935, 602197585, -77251102325, -790660144571, 123981052932655, 1522721707926265, -282190333761783725, -4043468004740204051, 864617687280807347575, 14158848206836206915745, -3431276846283480837508325
OFFSET
0,2
LINKS
FORMULA
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
MATHEMATICA
Numerator[EulerE[Range[0, 20], 1/12]] (* Vincenzo Librandi, May 05 2012 *)
CROSSREFS
For denominators see A001021.
Sequence in context: A266517 A228054 A283354 * A056253 A101832 A374091
KEYWORD
sign,frac
AUTHOR
N. J. A. Sloane, Nov 07 2009
STATUS
approved