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A013335 tanh(exp(x)-sec(x))=x-1/3!*x^3-4/4!*x^4-3/5!*x^5+60/6!*x^6... 0
1, 0, -1, -4, -3, 60, 107, -264, -11175, -40200, 142903, 2392436, 8175637, -327277132, -3256146845, -19824913424, 184016913969, 1628105059824, -33266797736465, -1067099983418644, -14633634217342547 (list; graph; refs; listen; history; internal format)
OFFSET

0,4

CROSSREFS

Sequence in context: A096201 A025175 A016504 * A079324 A002298 A195565

Adjacent sequences:  A013332 A013333 A013334 * A013336 A013337 A013338

KEYWORD

sign

AUTHOR

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

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Last modified February 14 03:37 EST 2012. Contains 205570 sequences.