A119192 - OEIS

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A119192

Triangular numbers composed of digits {3,5,9}.

3, 55, 595, 5995, 33533955, 5939355555, 9993335593335, 535555935535935, 599593353353393939939955, 595993553593935939553359535599399555 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,1`
	LINKS	`Table of n, a(n) for n=1..10.` `G. Resta, Tridigital Triangular Numbers`
	FORMULA	`a(n) = A000217(A119193(n))`
	CROSSREFS	`Cf. A000217, A119193. See A119033 for a table of cross-references.` `Sequence in context: A119061 A197094 A156379 * A103134 A235534 A300992` `Adjacent sequences: A119189 A119190 A119191 * A119193 A119194 A119195`
	KEYWORD	`nonn,base,more`
	AUTHOR	`Giovanni Resta, May 10 2006`
	EXTENSIONS	`a(10) from Max Alekseyev, May 21 2011`
	STATUS	`approved`

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Last modified February 7 07:00 EST 2023. Contains 360112 sequences. (Running on oeis4.)