

A009601


Expansion of e.g.f.: sinh(tan(log(1+x))).


1



0, 1, 1, 5, 24, 166, 1350, 13026, 143808, 1790560, 24782400, 377280056, 6262125936, 112504698840, 2174463129384, 44977635083096, 991157036904960, 23178047520065536, 573180268144301568, 14943307041391438080
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OFFSET

0,4


LINKS



MATHEMATICA

With[{nn=20}, CoefficientList[Series[Sinh[Tan[Log[1+x]]], {x, 0, nn}], x] Range[0, nn]!] (* Harvey P. Dale, Jun 10 2017 *)


PROG

(PARI) x='x+O('x^30); concat([0], Vec(serlaplace(sinh(tanh(log(1+x)))))) \\ G. C. Greubel, Jan 30 2018


CROSSREFS



KEYWORD

sign,easy


AUTHOR



EXTENSIONS

Definition clarified and previous Mathematica program replaced by Harvey P. Dale, Jun 10 2017


STATUS

approved



