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A024278
Expansion of e.g.f.: tan(tan(x))*sin(x)/2.
0
0, 1, 6, 179, 9676, 854597, 111361298, 20061390071, 4771665341848, 1447947783210249, 545795035419716382, 250167844738073041595, 137013989756844496168292, 88367083240335992790622797
OFFSET
0,3
MATHEMATICA
With[{nn=30}, Take[CoefficientList[Series[Tan[Tan[x]]*Sin[x]/2, {x, 0, nn}], x] Range[0, nn]!, {1, -1, 2}]] (* Harvey P. Dale, Sep 09 2012 *)
CROSSREFS
Cf. A009698.
Sequence in context: A012152 A165928 A127910 * A062240 A253779 A046989
KEYWORD
nonn
AUTHOR
EXTENSIONS
Extended and signs tested 03/97.
Definition clarified by Harvey P. Dale, Sep 09 2012
STATUS
approved