id:A024290 - OEIS Search Results

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Expansion of tan(tan(x)^2)/2.

+0
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0, 1, 8, 256, 17408, 1910656, 309060608, 69341479936, 20585851486208, 7805361597546496, 3678560956503031808, 2108887897093614862336, 1444987869648059585527808, 1166088560957891800314413056 (list; graph; listen)

	OFFSET	`0,3`
	MATHEMATICA	`Tan[ Tan[ x ]^2 ]/2 (* Even Part *)`
	CROSSREFS	`A009710.` `Adjacent sequences: A024287 A024288 A024289 this_sequence A024291 A024292 A024293` `Sequence in context: A128787 A013824 A010044 this_sequence A140338 A140339 A103488`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin (rhh(AT)cadence.com)`

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Last modified October 10 20:39 EDT 2008. Contains 144831 sequences.

AT&T Labs Research