id:A119144 - OEIS Search Results

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A119144

Triangular numbers composed of digits {1,6,9}.

+0
3

1, 6, 66, 91, 666, 961191, 996166, 1191196, 96111966961, 99119996661, 16161696119661, 196999111911966, 661969169911666, 11961669169169616, 19961691661699161, 991961666199161911, 6116119911196616916 (list; graph; listen)

	OFFSET	`1,2`
	LINKS	`G. Resta, Tridigital Triangular Numbers`
	CROSSREFS	`Cf. A000217, A053911, A119145. See A119033 for a table of cross-references.` `Sequence in context: A119230 A122780 A153514 this_sequence A153087 A117794 A101011` `Adjacent sequences: A119141 A119142 A119143 this_sequence A119145 A119146 A119147`
	KEYWORD	`nonn,base`
	AUTHOR	`Giovanni Resta (g.resta(AT)iit.cnr.it), May 10 2006`

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Last modified December 1 13:27 EST 2009. Contains 167806 sequences.

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