A119163 - OEIS

This site is supported by donations to The OEIS Foundation.

A119163

Numbers n such that the n-th triangular number contains only digits {2,4,8}.

7, 312, 1287, 1297912, 7054712, 7521287, 2384302087 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,1`
	COMMENTS	`Next entry must be greater than 1.4*10^16.`
	LINKS	`G. Resta, Tridigital Triangular Numbers`
	CROSSREFS	`Cf. A000217, A119162. See A119034 for a table of cross-references.` `Sequence in context: A015005 A002437 A086215 * A171148 A082160 A163437` `Adjacent sequences: A119160 A119161 A119162 * A119164 A119165 A119166`
	KEYWORD	`nonn,base,more`
	AUTHOR	`Giovanni Resta (g.resta(AT)iit.cnr.it), May 10 2006`

Content is available under The OEIS End-User License Agreement .

Last modified February 15 21:45 EST 2012. Contains 205860 sequences.