id:A013172 - OEIS Search Results

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exp(arctanh(x)+tan(x))=1+2*x+4/2!*x^2+12/3!*x^3+48/4!*x^4+232/5!*x^5...

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1, 2, 4, 12, 48, 232, 1344, 8960, 68096, 580480, 5489024, 57192960, 649853952, 8028368896, 106867367936, 1530617461760, 23404867387392, 381866595811328, 6602987646386176, 120993556601405440 (list; graph; listen)

	OFFSET	`0,2`
	CROSSREFS	`Sequence in context: A131387 A004527 A002871 this_sequence A052849 A098558 A030813` `Adjacent sequences: A013169 A013170 A013171 this_sequence A013173 A013174 A013175`
	KEYWORD	`nonn`
	AUTHOR	`Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

AT&T Labs Research