login

Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.

A156347
Numerator of Euler(n, 3/13).
1
1, -7, -30, 1603, 5970, -277207, -3053790, 798236411, 2926843890, -246057649537, -4510293993150, 926939784063433, 10194432237557010, -1238037038145567667, -31770283512126257310, 35614753259364496078267, 130562740697866208097330, -20734607702641977619141597
OFFSET
0,2
LINKS
MATHEMATICA
Numerator[EulerE[Range[0, 20], 3/13]] (* Vincenzo Librandi, May 05 2012 *)
CROSSREFS
For denominators see A156339.
Sequence in context: A296013 A196338 A196315 * A221402 A065916 A122654
KEYWORD
sign,frac
AUTHOR
N. J. A. Sloane, Nov 07 2009
STATUS
approved