id:A090398 - OEIS Search Results

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a(n) = Floor[(2*Pi/E)*n^2]

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2, 9, 20, 36, 57, 83, 113, 147, 187, 231, 279, 332, 390, 453, 520, 591, 668, 748, 834, 924, 1019, 1118, 1222, 1331, 1444, 1562, 1685, 1812, 1943, 2080, 2221, 2366, 2517, 2672, 2831, 2995, 3164, 3337, 3515, 3698, 3885, 4077, 4273, 4474, 4680, 4891, 5106 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`Shannon entropy white noise power as n squared.`
	REFERENCES	`C. E. Shannon, The Mathematical Theory of Communication, page 93`
	MATHEMATICA	`digits=200 f[n_]=Floor[(2Pi/E)n^2] a=Table[f[n], {n, 1, digits}]`
	CROSSREFS	`Sequence in context: A042915 A007115 A014107 this_sequence A091941 A093835 A041007` `Adjacent sequences: A090395 A090396 A090397 this_sequence A090399 A090400 A090401`
	KEYWORD	`nonn`
	AUTHOR	`Roger L. Bagula (rlbagulatftn(AT)yahoo.com), Jan 31 2004`

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

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