A012776 - OEIS

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A012776

arcsinh(sec(x)*log(x+1))=x-1/2!*x^2+4/3!*x^3-6/4!*x^4+13/5!*x^5...

1, -1, 4, -6, 13, 75, -688, 3444, 17701, -627165, 8927708, -77106810, 67688905, 13345186855, -307791747352, 3673005693000, 5260749482825, -1552250968018713, 45434699608017268, -741230930507315470 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,3`
	CROSSREFS	`Sequence in context: A136391 A105205 A160805 * A016072 A095867 A034759` `Adjacent sequences: A012773 A012774 A012775 * A012777 A012778 A012779`
	KEYWORD	`sign`
	AUTHOR	`Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)`

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Last modified February 16 17:48 EST 2012. Contains 205939 sequences.