id:A081468 - OEIS Search Results

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a(n) is the smallest multiple of n of the type kn + k(k+1)/2; i.e. the sum (n+1) to (n+k) which is divisible by n.

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6

2, 12, 9, 56, 30, 24, 63, 240, 108, 50, 165, 132, 234, 126, 90, 992, 408, 180, 513, 420, 147, 308, 759, 480, 900, 390, 1053, 224, 1218, 570, 1395, 4032, 429, 680, 595, 324, 1998, 912, 546, 720, 2460, 1050, 2709, 1936, 450, 1334, 3243, 2064, 3528, 1500, 1020 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`a(4) = 56 =5+6+7+8+9+10+11. where A081467(4) = 11.`
	CROSSREFS	`Cf. A081467, A081469, A081470, A081471, A081472.` `Sequence in context: A001898 A002209 A100654 this_sequence A068515 A088240 A045895` `Adjacent sequences: A081465 A081466 A081467 this_sequence A081469 A081470 A081471`
	KEYWORD	`nonn`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Mar 23 2003`
	EXTENSIONS	`More terms from Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Apr 06 2003`

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Last modified September 5 19:27 EDT 2008. Contains 143485 sequences.

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