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A012514
Expansion of e.g.f.: sinh(sinh(x)*log(x+1))=2/2!*x^2-3/3!*x^3+12/4!*x^4-40/5!*x^5...
0
0, 0, 2, -3, 12, -40, 310, -2331, 22344, -214992, 2290138, -26031115, 322277780, -4298532888, 61722080446, -947673715275, 15499274051408, -268866053899936, 4930878490414002, -95317757163840915
OFFSET
0,3
MATHEMATICA
With[{nn=20}, CoefficientList[Series[Sinh[Sinh[x]Log[x+1]], {x, 0, nn}], x] Range[0, nn]!] (* Harvey P. Dale, Feb 25 2017 *)
CROSSREFS
Sequence in context: A087650 A177699 A256881 * A012511 A012309 A012305
KEYWORD
sign
AUTHOR
Patrick Demichel (patrick.demichel(AT)hp.com)
EXTENSIONS
Definition clarified and initial two zeros prepended by Harvey P. Dale, Feb 25 2017
STATUS
approved