id:A119177 - OEIS Search Results

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Numbers n such that the n-th triangular number contains only digits {2,6,9}.

+0
3

3, 11, 36, 76, 7741188, 21305723, 4471447856, 24343059348, 6673334543723 (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, A119176. See A119034 for a table of cross-references.` `Sequence in context: A014335 A119143 A119092 this_sequence A119126 A119088 A017937` `Adjacent sequences: A119174 A119175 A119176 this_sequence A119178 A119179 A119180`
	KEYWORD	`nonn,base,more`
	AUTHOR	`Giovanni Resta (g.resta(AT)iit.cnr.it), May 10 2006`

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Last modified September 6 16:04 EDT 2008. Contains 143483 sequences.