id:A081276 - OEIS Search Results

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Floor(n^3/8).

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0, 0, 1, 3, 8, 15, 27, 42, 64, 91, 125, 166, 216, 274, 343, 421, 512, 614, 729, 857, 1000, 1157, 1331, 1520, 1728, 1953, 2197, 2460, 2744, 3048, 3375, 3723, 4096, 4492, 4913, 5359, 5832, 6331, 6859, 7414, 8000, 8615, 9261, 9938, 10648, 11390, 12167, 12977 (list; graph; listen)

	OFFSET	`0,4`
	COMMENT	`a(2n)=n^3.`
	FORMULA	`a(n)=floor(n^3/8).` `G.f.: x^2(-x^3-2x^5+3x^4+1+4x^6+2x^2-2x^7+x^8)/((-1+x)^4(1+x)(1+x^2)*(x^4+1)). [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jun 26 2009]`
	CROSSREFS	`Cf. A002620, A011863, A038503.` `Sequence in context: A080183 A109900 A034828 this_sequence A047837 A047873 A036419` `Adjacent sequences: A081273 A081274 A081275 this_sequence A081277 A081278 A081279`
	KEYWORD	`easy,nonn`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Mar 15 2003`

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Last modified December 19 21:04 EST 2009. Contains 171054 sequences.

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