id:A012879 - OEIS Search Results

Search: id:A012879

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exp(sech(x)*arctan(x))=1+x+1/2!*x^2-4/3!*x^3-19/4!*x^4+20/5!*x^5...

+0
1

1, 1, 1, -4, -19, 20, 565, 1024, -24743, -147568, 1450985, 19148736, -100090043, -2934842560, 5608180253, 551525234688, 703874231473, -127249126657792, -601015521145391, 35789287036394496, 309193460848468125 (list; graph; listen)

	OFFSET	`0,4`
	CROSSREFS	`Sequence in context: A009275 A070612 A043056 this_sequence A072178 A116980 A022135` `Adjacent sequences: A012876 A012877 A012878 this_sequence A012880 A012881 A012882`
	KEYWORD	`sign`
	AUTHOR	`Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)`

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Last modified September 6 16:04 EDT 2008. Contains 143483 sequences.

AT&T Labs Research