id:A119119 - OEIS Search Results

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A119119

Triangular numbers composed of digits {1,3,8}.

+0
3

1, 3, 88831, 1188111, 38311881, 11313313831, 83388881331381, 881388838113181838838811, 8138133831331381318318881, 183113183318838311383311313311 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`Next entry must be greater than 10^32.`
	LINKS	`G. Resta, Tridigital Triangular Numbers`
	CROSSREFS	`Cf. A000217, A053895, A119120. See A119033 for a table of cross-references.` `Sequence in context: A003541 A086829 A115976 this_sequence A086785 A116536 A003544` `Adjacent sequences: A119116 A119117 A119118 this_sequence A119120 A119121 A119122`
	KEYWORD	`nonn,base,more`
	AUTHOR	`Giovanni Resta (g.resta(AT)iit.cnr.it), May 10 2006`

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

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