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A012050 sech(sin(tanh(x)))=1-1/2!*x^2+17/4!*x^4-673/6!*x^6+48481/8!*x^8... 0
1, -1, 17, -673, 48481, -5556929, 930399601, -214412110305, 65104843008449, -25194079035190657, 12104203127776694225, -7069126951831617433377, 4932323527151866597114145, -4052159085639349626953573441 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
LINKS
CROSSREFS
Sequence in context: A089018 A118769 A009158 * A012157 A012137 A171198
KEYWORD
sign
AUTHOR
Patrick Demichel (patrick.demichel(AT)hp.com)
STATUS
approved

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Last modified March 28 05:39 EDT 2024. Contains 371235 sequences. (Running on oeis4.)