id:A119076 - OEIS Search Results

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Numbers n such that the n-th triangular number contains only digits {0,4,8}.

+0
3

12655, 94319, 1268735, 2982752019194624, 9466159183199999 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`Next entry must be greater than 4.4*10^18. -Max Alekseyev, May 17 2009`
	LINKS	`G. Resta, Tridigital Triangular Numbers`
	CROSSREFS	`Cf. A000217, A119075. See A119034 for a table of cross-references.` `Sequence in context: A003416 A045217 A078957 this_sequence A159203 A083602 A105655` `Adjacent sequences: A119073 A119074 A119075 this_sequence A119077 A119078 A119079`
	KEYWORD	`nonn,base,more`
	AUTHOR	`Giovanni Resta (g.resta(AT)iit.cnr.it), May 10 2006`

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Last modified March 20 01:21 EDT 2010. Contains 173643 sequences.