id:A160944 - OEIS Search Results

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a(n)= n * digital sum(n-1) * digital sum(n+1)

+0
1

0, 6, 24, 60, 120, 210, 336, 504, 72, 180, 33, 96, 195, 336, 525, 768, 1071, 1440, 342, 600, 168, 330, 552, 840, 1200, 1638, 2160, 2772, 870, 1320, 465, 768, 1155, 1632, 2205, 2880, 3663, 4560, 1716, 2400, 984, 1470, 2064, 2772, 3600, 4554, 5640, 6864 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`a(8)=8xds(7)xds(9)=8x7x9=504; a(15)=15xds(14)xds(16)=15x5x7=525 a(26)=26xds(25)xds(27)=26x7x9=`
	CROSSREFS	`Sequence in context: A028595 A002653 A086768 this_sequence A160936 A007531 A130669` `Adjacent sequences: A160941 A160942 A160943 this_sequence A160945 A160946 A160947`
	KEYWORD	`nonn,base`
	AUTHOR	`Claudio L Meller (claudiomeller(AT)gmail.com), May 30 2009`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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