A012922 - OEIS

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A012922

sec(arcsin(x)+sin(x))=1+4/2!*x^2+80/4!*x^4+4024/6!*x^6+380544/8!*x^8...

1, 4, 80, 4024, 380544, 57960864, 12957750912, 3995431992192, 1624807254577152, 842520079540277760, 542544550547724265472, 424772248087529271371776, 397354005571214204967354368 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`0,2`
	LINKS	`Table of n, a(n) for n=0..12.`
	CROSSREFS	`Sequence in context: A002436 A013031 A012923 * A013090 A012042 A013139` `Adjacent sequences: A012919 A012920 A012921 * A012923 A012924 A012925`
	KEYWORD	`nonn`
	AUTHOR	`Patrick Demichel (patrick.demichel(AT)hp.com)`
	STATUS	`approved`

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Last modified January 29 04:14 EST 2023. Contains 359915 sequences. (Running on oeis4.)