A119129 - OEIS

This site is supported by donations to The OEIS Foundation.

A119129

Numbers n such that the n-th triangular number contains only digits {1,4,8}.

1, 478, 1541, 4866, 988113, 4216353, 15155321, 16977521, 983990258, 531956543121, 544826911685686 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	COMMENTS	`Next entry must be greater than 1.4*10^16.`
	LINKS	`G. Resta, Tridigital Triangular Numbers`
	CROSSREFS	`Cf. A000217, A119128. See A119034 for a table of cross-references.` `Sequence in context: A181228 A020375 A031788 * A122268 A186950 A056987` `Adjacent sequences: A119126 A119127 A119128 * A119130 A119131 A119132`
	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 04:23 EST 2012. Contains 205694 sequences.