id:A062100 - OEIS Search Results

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Triangular numbers with the every digit a triangular number.

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0, 1, 3, 6, 10, 36, 66, 136, 300, 630, 666, 3003, 3160, 10011, 13366, 16110, 60031, 66066, 106030, 163306, 303031, 333336, 336610, 600060, 630003, 1010331, 1030330, 1063611, 1313010, 3306306, 3316600, 6601161, 10006101, 11066160 (list; graph; listen)

	OFFSET	`0,3`
	EXAMPLE	`a(7) = 36 is a triangular number, 3 and 6 are also triangular numbers.`
	CROSSREFS	`A000217.` `Sequence in context: A151376 A066245 A068821 this_sequence A048089 A081975 A069708` `Adjacent sequences: A062097 A062098 A062099 this_sequence A062101 A062102 A062103`
	KEYWORD	`nonn,base,easy`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Jun 16 2001`
	EXTENSIONS	`Corrected and extended by Larry Reeves (larryr(AT)acm.org), Jun 22 2001`

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Last modified December 2 15:58 EST 2008. Contains 150992 sequences.

AT&T Labs Research