A013066 - OEIS

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A013066

sec(sinh(x)+arctan(x))=1+4/2!*x^2+72/4!*x^4+3414/6!*x^6+293944/8!*x^8...

1, 4, 72, 3414, 293944, 41039354, 8367429708, 2357010259478, 874618137470928, 414021560815549234, 243310775798418308468, 173871629687917706426926, 148440940042136025757065080 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	CROSSREFS	`Sequence in context: A003718 A012947 A203535 * A013102 A012995 A076744` `Adjacent sequences: A013063 A013064 A013065 * A013067 A013068 A013069`
	KEYWORD	`nonn`
	AUTHOR	`Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)`

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Last modified February 15 13:16 EST 2012. Contains 205795 sequences.