id:A012131 - OEIS Search Results

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cosh(arcsin(tanh(x)))=1+1/2!*x^2-3/4!*x^4+21/6!*x^6-263/8!*x^8...

+0
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1, 1, -3, 21, -263, 4841, -99723, -199939, 501445617, -101818966319, 19731909099757, -4192563651606299, 1009030667701246697, -277080625752723191879, 86724157841631252590437 (list; graph; listen)

	OFFSET	`0,3`
	CROSSREFS	`Sequence in context: A058562 A145083 A138213 this_sequence A098278 A066206 A130032` `Adjacent sequences: A012128 A012129 A012130 this_sequence A012132 A012133 A012134`
	KEYWORD	`sign`
	AUTHOR	`Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)`

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.

AT&T Labs Research