id:A089929 - OEIS Search Results

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Algebraic degree of Cot[Pi/n].

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1, 2, 1, 4, 2, 6, 2, 6, 4, 10, 2, 12, 6, 8, 4, 16, 6, 18, 4, 12, 10, 22, 4, 20, 12, 18, 6, 28, 8, 30, 8, 20, 16, 24, 6, 36, 18, 24, 8, 40, 12, 42, 10, 24, 22, 47, 8, 42, 20, 32, 12 (list; graph; listen)

	OFFSET	`2,2`
	COMMENT	`Also the algebraic degrees of the surface area and volume of an n-prism with unit edge lengths.`
	LINKS	`Eric Weisstein's World of Mathematics, Prism` `Eric Weisstein's World of Mathematics, Regular Polygon` `Eric Weisstein's World of Mathematics, Cotangent`
	CROSSREFS	`Sequence in context: A076686 A114810 A093819 this_sequence A131888 A109170 A099311` `Adjacent sequences: A089926 A089927 A089928 this_sequence A089930 A089931 A089932`
	KEYWORD	`nonn,hard,nice`
	AUTHOR	`Eric Weisstein (eric(AT)weisstein.com), Nov 15, 2003`

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Last modified September 8 08:06 EDT 2008. Contains 143486 sequences.

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