id:A119072 - OEIS Search Results

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A119072

Numbers n such that the n-th triangular number contains only digits {0,4,5}.

+0
3

9, 10, 89, 100, 899, 900, 1000, 8989, 9000, 10000, 30134, 31624, 90000, 95289, 100000, 900000, 953944, 1000000, 9000000, 10000000, 10044944, 32880100, 90000000, 100000000, 900000000, 1000000000, 3328800100, 9000000000 (list; graph; listen)

	OFFSET	`1,1`
	LINKS	`G. Resta, Tridigital Triangular Numbers`
	CROSSREFS	`Cf. A000217, A119071. See A119034 for a table of cross-references.` `Sequence in context: A038300 A041039 A041176 this_sequence A136867 A136879 A136880` `Adjacent sequences: A119069 A119070 A119071 this_sequence A119073 A119074 A119075`
	KEYWORD	`nonn,base`
	AUTHOR	`Giovanni Resta (g.resta(AT)iit.cnr.it), May 10 2006`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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