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A013333 sinh(exp(x)-sec(x))=x+2/3!*x^3-4/4!*x^4+12/5!*x^5-120/6!*x^6... 0
1, 0, 2, -4, 12, -120, 128, -4464, 6912, -206880, 776800, -12788224, 95713984, -1101528064, 13091780224, -133871961344, 2061579919104, -22144979338752, 381671021731840, -4690276122840064, 83860033272100864 (list; graph; refs; listen; history; internal format)
OFFSET

0,3

CROSSREFS

Sequence in context: A120618 A038791 A001696 * A154882 A062000 A053040

Adjacent sequences:  A013330 A013331 A013332 * A013334 A013335 A013336

KEYWORD

sign

AUTHOR

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

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Last modified February 16 01:31 EST 2012. Contains 205860 sequences.