id:A119090 - OEIS Search Results

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Numbers n such that the n-th triangular number contains only digits {0,6,8}.

+0
3

3, 11, 36, 363, 1095, 1271283, 3687839, 34642771, 3705851211, 133181080239, 365754039996 (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, A119089. See A119034 for a table of cross-references.` `Sequence in context: A119213 A068644 A119054 this_sequence A048361 A119161 A119211` `Adjacent sequences: A119087 A119088 A119089 this_sequence A119091 A119092 A119093`
	KEYWORD	`nonn,base,more`
	AUTHOR	`Giovanni Resta (g.resta(AT)iit.cnr.it), May 10 2006`

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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.