id:A119047 - OEIS Search Results

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A119047

Triangular numbers composed of digits {0,1,9}.

+0
3

1, 10, 91, 190, 990, 10011, 19110, 19900, 90100, 1911990, 1991010, 1999000, 99991011, 199110990, 199910010, 199990000, 901999101, 1000900911, 1111019091, 19991100990, 19999100010, 19999900000, 1999911000990 (list; graph; listen)

	OFFSET	`1,2`
	LINKS	`G. Resta, Tridigital Triangular Numbers`
	CROSSREFS	`Cf. A000217, A119048. See A119033 for a table of cross-references.` `Sequence in context: A046706 A116348 A043088 this_sequence A143572 A002739 A079928` `Adjacent sequences: A119044 A119045 A119046 this_sequence A119048 A119049 A119050`
	KEYWORD	`nonn,base`
	AUTHOR	`Giovanni Resta (g.resta(AT)iit.cnr.it), May 10 2006`

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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.

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