A119161 - OEIS

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A119161

Numbers n such that the n-th triangular number contains only digits {2,4,6}.

3, 11, 36, 923, 23076, 211963, 9656548, 35906663076, 9635790203866668, 35401826004387588 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,1`
	COMMENTS	`Next entry must be greater than 3.1*10^18.`
	LINKS	`G. Resta, Tridigital Triangular Numbers`
	CROSSREFS	`Cf. A000217, A119160. See A119034 for a table of cross-references.` `Sequence in context: A119054 A119090 A048361 * A119211 A119235 A119233` `Adjacent sequences: A119158 A119159 A119160 * A119162 A119163 A119164`
	KEYWORD	`nonn,base,more`
	AUTHOR	`Giovanni Resta (g.resta(AT)iit.cnr.it), May 10 2006`
	EXTENSIONS	`a(10) from Max Alekseyev (maxale(AT)gmail.com), Jun 16 2011`

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Last modified February 17 21:13 EST 2012. Contains 206085 sequences.