id:A072517 - OEIS Search Results

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Smallest triangular number beginning with the n-th triangular number other than itself.

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10, 36, 66, 105, 153, 210, 2850, 3655, 4560, 5565, 666, 780, 9180, 10585, 12090, 13695, 153181, 1711, 190036, 210276, 231540, 253116, 276396, 3003, 325221, 351541, 378015, 406351, 435711, 4656, 496506, 528906, 561270, 595686, 630003 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`a(7) = 2850 > 28 is the smallest triangular number beginning with 28 which is the seventh triangular number.`
	CROSSREFS	`Cf. A072518.` `Sequence in context: A126249 A125550 A073613 this_sequence A033585 A118629 A050509` `Adjacent sequences: A072514 A072515 A072516 this_sequence A072518 A072519 A072520`
	KEYWORD	`nonn,base`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Jul 31 2002`
	EXTENSIONS	`Corrected and extended by Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Apr 25 2003`

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

AT&T Labs Research