login
A013264
arcsinh(log(x+1)-sinh(x))=-1/2!*x^2+1/3!*x^3-6/4!*x^4+23/5!*x^5...
1
0, 0, -1, 1, -6, 23, -105, 614, -3500, 23785, -168525, 1248014, -10232046, 87236225, -878874997, 11019659832, -176261549880, 3445590738361, -73605307413177, 1643075339474150, -37315705749869570, 854635215667984933
OFFSET
0,5
LINKS
MATHEMATICA
CoefficientList[Series[ArcSinh[Log[1 + x] - Sinh[x]], {x, 0, 20}], x] * Range[0, 20]! (* Vaclav Kotesovec, Feb 04 2015 *)
CROSSREFS
Sequence in context: A038383 A120775 A013258 * A369835 A369831 A063383
KEYWORD
sign
AUTHOR
Patrick Demichel (patrick.demichel(AT)hp.com)
EXTENSIONS
Prepended missing a(0)=a(1)=0 from Vaclav Kotesovec, Feb 04 2015
STATUS
approved