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URL: https://oeis.org/A156076

⇱ A156076 - OEIS

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A156076
P_n(4) (see A155100).
1
1, 4, 17, 136, 1666, 27200, 555152, 13596736, 388512016, 12687211520, 466101423872, 19026204891136, 854312172054016, 41847505957437440, 2220673304780705792, 126906669626284711936, 7770472824437270972416, 507503647885498965032960, 35217605908746553266470912
OFFSET
-1,2
MATHEMATICA
nn = 17; Table[n!, {n, 0, nn}] CoefficientList[Series[1 - Log[Cos[x] - 4*Sin[x]], {x, 0, nn}], x] (* Arkadiusz Wesolowski, Aug 17 2012 *)
CROSSREFS
Sequence in context: A032325 A032335 A208803 * A041026 A072755 A320444
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Nov 05 2009
STATUS
approved