A012662 - OEIS

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A012662

sec(tanh(x)*exp(x))=1+1/2!*x^2+6/3!*x^3+21/4!*x^4+100/5!*x^5...

1, 0, 1, 6, 21, 100, 957, 8498, 70217, 762696, 9950809, 128378910, 1775380893, 28325140012, 483428842197, 8558590549322, 163465935697169, 3367220579004048, 72712394227734577, 1648059951297530166 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,4`
	CROSSREFS	`Sequence in context: A093774 A151612 A012773 * A012418 A203295 A083558` `Adjacent sequences: A012659 A012660 A012661 * A012663 A012664 A012665`
	KEYWORD	`nonn`
	AUTHOR	`Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)`

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Last modified February 16 06:37 EST 2012. Contains 205860 sequences.