id:A119102 - OEIS Search Results

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A119102

Numbers n such that the n-th triangular number contains only digits {1,2,5}.

+0
3

1, 5, 6, 10, 49, 66, 101, 174, 205, 210, 550, 666, 714, 4806, 5010, 6498, 6666, 10114, 14914, 22410, 66666, 71449, 471701, 495005, 666666, 1500101, 2246130, 3241950, 6666666, 15591825, 17408114, 66666666, 666666666, 1024813373, 1581866714 (list; graph; listen)

	OFFSET	`1,2`
	LINKS	`G. Resta, Tridigital Triangular Numbers`
	CROSSREFS	`Cf. A000217, A119101. See A119034 for a table of cross-references.` `Sequence in context: A018834 A029943 A063630 this_sequence A162015 A162017 A069170` `Adjacent sequences: A119099 A119100 A119101 this_sequence A119103 A119104 A119105`
	KEYWORD	`nonn,base`
	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.

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