A013456 - OEIS

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A013456

exp(tan(x)-arctanh(x))=1-8/5!*x^5-448/7!*x^7-32384/9!*x^9+8064/10!*x^10...

1, 0, 0, 0, 0, -8, 0, -448, 0, -32384, 8064, -3275008, 2838528, -456633344, 863070208, -85339110400, 280413765632, -20783183790080, 103486230003712, -6429447050002432, 44250652523855872 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,6`
	CROSSREFS	`Sequence in context: A181689 A121770 A013376 * A180738 A076107 A076952` `Adjacent sequences: A013453 A013454 A013455 * A013457 A013458 A013459`
	KEYWORD	`sign`
	AUTHOR	`Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)`

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Last modified February 15 06:50 EST 2012. Contains 205694 sequences.