id:A119153 - OEIS Search Results

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Numbers n such that the n-th triangular number contains only digits {2,3,5}.

+0
3

2, 10, 22, 25, 102, 714, 2114, 2170, 2550, 21097, 671302, 258973177, 1023088777, 22460425354, 211297574645 (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, A119152. See A119034 for a table of cross-references.` `Sequence in context: A136735 A080881 A138298 this_sequence A065450 A090288 A032526` `Adjacent sequences: A119150 A119151 A119152 this_sequence A119154 A119155 A119156`
	KEYWORD	`nonn,base,more`
	AUTHOR	`Giovanni Resta (g.resta(AT)iit.cnr.it), May 10 2006`

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.