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A009580 Expansion of e.g.f. sinh(log(1+x)*cosh(x)). 1
0, 1, -1, 6, -18, 115, -735, 6146, -53788, 533877, -5717925, 67138214, -852558366, 11690238495, -171896284651, 2699638432882, -45081742698840, 797695827586441, -14907737121376329, 293431115776578790 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,4
LINKS
MATHEMATICA
With[{nmax = 50}, CoefficientList[Series[Sinh[Log[1 + x]*Cosh[x]], {x, 0, nmax}], x]*Range[0, nmax]!] (* G. C. Greubel, Jan 22 2018 *)
PROG
(PARI) x='x+O('x^30); concat([0], Vec(serlaplace(sinh(log(1+x)*cosh(x))) )) \\ G. C. Greubel, Jan 22 2018
CROSSREFS
Sequence in context: A143556 A007126 A009576 * A125839 A117813 A012758
KEYWORD
sign,easy
AUTHOR
EXTENSIONS
Extended with signs by Olivier Gérard, Mar 15 1997
STATUS
approved

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Last modified February 22 06:21 EST 2024. Contains 370240 sequences. (Running on oeis4.)