id:A012663 - OEIS Search Results

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sech(tanh(x)*exp(x))=1-1/2!*x^2-6/3!*x^3-11/4!*x^4+100/5!*x^5...

+0
1

1, 0, -1, -6, -11, 100, 1043, 2702, -47287, -697656, -2382009, 65150690, 1227815037, 4876299948, -197964434917, -4452683466122, -19212329422319, 1119650941512592, 28926172679801103, 128264089711760074 (list; graph; listen)

	OFFSET	`0,4`
	CROSSREFS	`Sequence in context: A077697 A013321 A012419 this_sequence A136980 A083834 A136978` `Adjacent sequences: A012660 A012661 A012662 this_sequence A012664 A012665 A012666`
	KEYWORD	`sign`
	AUTHOR	`Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)`

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

AT&T Labs Research