id:A119088 - OEIS Search Results

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A119088

Numbers n such that the n-th triangular number contains only digits {0,6,7}.

+0
3

3, 11, 36, 115, 363, 1095, 11576, 36624, 363504, 391576, 391588, 36333648, 123288823, 3660785999, 11014541352775, 39410677756315, 124633627940188 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`Next entry must be greater than 1.4*10^16.`
	LINKS	`G. Resta, Tridigital Triangular Numbers`
	CROSSREFS	`Cf. A000217, A119087. See A119034 for a table of cross-references.` `Sequence in context: A119092 A119177 A119126 this_sequence A017937 A017938 A100068` `Adjacent sequences: A119085 A119086 A119087 this_sequence A119089 A119090 A119091`
	KEYWORD	`nonn,base,more`
	AUTHOR	`Giovanni Resta (g.resta(AT)iit.cnr.it), May 10 2006`

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

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