A009008 - OEIS

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A009008

Expansion of 1/cos(sin(x)).

1, 1, 1, -23, -415, 849, 421089, 16027897, -602344127, -137830187103, -6375572516543, 1282077224074761, 294398207479497377, 6767832711454751473, -10535904130516747834591, -2468712006908963695579879 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,4`
	MATHEMATICA	`1/Cos[ Sin[ x ] ] (* Even Part *)`
	CROSSREFS	`Sequence in context: A142821 A016197 A199821 * A203147 A158453 A174262` `Adjacent sequences: A009005 A009006 A009007 * A009009 A009010 A009011`
	KEYWORD	`sign`
	AUTHOR	`R. H. Hardin (rhhardin(AT)att.net), Simon Plouffe (simon.plouffe(AT)gmail.com)`

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Last modified February 16 07:39 EST 2012. Contains 205881 sequences.