A009327 Expansion of e.g.f. log(1+sin(sin(x))).

0, 1, -1, 0, 2, -4, 8, -24, 16, 272, -2304, 14528, -68352, 181312, 843776, -20265088, 221382656, -1771263744, 9865887744, -4388386816, -888186732544, 16325400792064, -200433787207680, 1796402984175616, -8060855544971264

Offset

0,5

Links

Vincenzo Librandi, Table of n, a(n) for n = 0..200

Mathematica

With[{nn=30}, CoefficientList[Series[Log[1+Sin[Sin[x]]], {x, 0, nn}], x] Range[0, nn]!] (* Harvey P. Dale, Aug 19 2011 *)

Crossrefs

Sequence in context: A290816 A181070 A226659 * A027168 A078751 A290859

Adjacent sequences: A009324 A009325 A009326 * A009328 A009329 A009330

Keyword

sign,easy

Author

R. H. Hardin

Extensions

Extended with signs by Olivier Gérard, Mar 15 1997

Status

approved