id:A117960 - OEIS Search Results

Search: id:A117960

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Triangular numbers with only odd digits.

+0
1

1, 3, 45, 55, 91, 153, 171, 351, 595, 1711, 1953, 5151, 5995, 11175, 11935, 15753, 15931, 17391, 17955, 31375, 33153, 35511, 73153, 153735, 171991, 193131, 193753, 371953, 399171, 513591, 551775, 559153, 571915, 791911, 917335, 939135, 1335795 (list; graph; listen)

	OFFSET	`1,2`
	CROSSREFS	`Cf. A000217.` `Sequence in context: A142600 A103980 A101236 this_sequence A119182 A079038 A101790` `Adjacent sequences: A117957 A117958 A117959 this_sequence A117961 A117962 A117963`
	KEYWORD	`base,nonn`
	AUTHOR	`Luc Stevens (lms022(AT)yahoo.com), May 03 2006`

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Last modified November 18 20:14 EST 2008. Contains 147244 sequences.

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