A119191 - OEIS

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A119191

Numbers n such that the n-th triangular number contains only digits {3,5,8}.

2, 10, 129, 841229, 26014826114, 3417172921745, 10520014765729 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,1`
	COMMENTS	`Next entry must be greater than 1.4*10^16.`
	LINKS	`Table of n, a(n) for n=1..7.` `G. Resta, Tridigital Triangular Numbers`
	CROSSREFS	`Cf. A000217, A119190. See A119034 for a table of cross-references.` `Sequence in context: A202950 A144835 A305028 * A125993 A185952 A258971` `Adjacent sequences: A119188 A119189 A119190 * A119192 A119193 A119194`
	KEYWORD	`nonn,base,more`
	AUTHOR	`Giovanni Resta, May 10 2006`
	STATUS	`approved`

Last modified March 7 14:00 EST 2021. Contains 341886 sequences. (Running on oeis4.)