A156187 Numerator of Euler(n, 1/6).

1, -1, -5, 23, 205, -1681, -22265, 257543, 4544185, -67637281, -1491632525, 27138236663, 718181418565, -15442193173681, -476768795646785, 11828536957233383, 417370516232719345, -11735529528739490881, -465849831125196593045, 14639678925928297567703

Offset: 0

Author

N. J. A. Sloane, Nov 07 2009

Keywords

• sign
• frac

Comments

The (unsigned) odd-indexed terms of the sequence appear to give A002439. - Peter Bala, May 16 2017

Links

• Vincenzo Librandi, Table of n, a(n) for n = 0..200
• Michael E. Hoffman, Derivative Polynomials, Euler Polynomials, and Associated Integer Sequences, The Electronic Journal of Combinatorics, Volume 6.1 (1999): Research paper R21, 13 p. See Eq. (13).

Crossrefs

For denominators see A156189. Cf. A002439.

Programs

Mathematica

Numerator[EulerE[Range[0,20],1/6]] (* Vincenzo Librandi, May 04 2012 *)