A055528 - OEIS

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A055528

a(n)=10*a(n-1)+n^3, a(0)=0.

0, 1, 18, 207, 2134, 21465, 214866, 2149003, 21490542, 214906149, 2149062490, 21490626231, 214906264038, 2149062642577, 21490626428514, 214906264288515, 2149062642889246 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,3`
	COMMENTS	`a(n)/10^n converges to 470/2187=0.214906264...`
	FORMULA	`a(n) =(10^n-1)(470/2187)-n^3/9-n^2(10/27)-n*(110/243)`
	CROSSREFS	`Cf. A014824.` `Sequence in context: A028025 A109126 A022742 * A025959 A004323 A025937` `Adjacent sequences: A055525 A055526 A055527 * A055529 A055530 A055531`
	KEYWORD	`nonn`
	AUTHOR	`Henry Bottomley (se16(AT)btinternet.com), Jul 04 2000`
	EXTENSIONS	`Corrected by T. D. Noe (noe(AT)sspectra.com), Nov 08 2006`

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Last modified February 14 08:47 EST 2012. Contains 205614 sequences.