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A013017
Expansion of e.g.f.: arctan(sinh(x)+log(x+1))=2*x-1/2!*x^2-13/3!*x^3+42/4!*x^4+493/5!*x^5...
0
0, 2, -1, -13, 42, 493, -4410, -40829, 832440, 5004973, -245085120, -392887339, 101932624200, -443122544633, -55814061375072, 703885217039551, 37862793965199840, -939190392260961927, -29796126039875472768
OFFSET
0,2
MATHEMATICA
With[{nn=20}, CoefficientList[Series[ArcTan[Sinh[x]+Log[x+1]], {x, 0, nn}], x] Range[0, nn]!] (* Harvey P. Dale, Oct 18 2013 *)
CROSSREFS
Sequence in context: A247601 A013020 A012906 * A012902 A087169 A347962
KEYWORD
sign
AUTHOR
Patrick Demichel (patrick.demichel(AT)hp.com)
EXTENSIONS
a(0)=0 prepended and definition clarified by Harvey P. Dale, Oct 18 2013
STATUS
approved