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A013190 log(cosh(x)+arcsinh(x))=x-2/3!*x^3+8/4!*x^4-12/5!*x^5-48/6!*x^6... 0
1, 0, -2, 8, -12, -48, 432, -2112, 10000, 14080, -1500512, 17517568, -18269760, -1666201600, 16350361856, -45064462336, 922523568384, -4131436888064, -990634832194048, 21402743134224384, 92553699220882432 (list; graph; refs; listen; history; internal format)
OFFSET

0,3

CROSSREFS

Sequence in context: A143231 A104039 A083546 * A176968 A126192 A066471

Adjacent sequences:  A013187 A013188 A013189 * A013191 A013192 A013193

KEYWORD

sign

AUTHOR

Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)

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Last modified February 17 23:46 EST 2012. Contains 206085 sequences.