login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A156187 Numerator of Euler(n, 1/6). 2
1, -1, -5, 23, 205, -1681, -22265, 257543, 4544185, -67637281, -1491632525, 27138236663, 718181418565, -15442193173681, -476768795646785, 11828536957233383, 417370516232719345, -11735529528739490881, -465849831125196593045, 14639678925928297567703 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

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).

MATHEMATICA

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

CROSSREFS

For denominators see A156189. Cf. A002439.

Sequence in context: A226154 A203223 A173041 * A322238 A295080 A323993

Adjacent sequences:  A156184 A156185 A156186 * A156188 A156189 A156190

KEYWORD

sign,frac

AUTHOR

N. J. A. Sloane, Nov 07 2009

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 22 14:33 EDT 2021. Contains 343177 sequences. (Running on oeis4.)