id:A119172 - OEIS Search Results

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A119172

Triangular numbers composed of digits {2,6,7}.

+0
3

6, 66, 276, 666, 7626, 6666726, 77666666626, 2662627722726, 2777672627676766, 77772662277672726, 6622726277766676626, 672667762262676277666726 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`Next entry must be greater than 10^32.`
	LINKS	`G. Resta, Tridigital Triangular Numbers`
	CROSSREFS	`Cf. A000217, A058462, A119173. See A119033 for a table of cross-references.` `Sequence in context: A133424 A045641 A071276 this_sequence A064167 A119073 A028559` `Adjacent sequences: A119169 A119170 A119171 this_sequence A119173 A119174 A119175`
	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.

AT&T Labs Research