id:A032650 - OEIS Search Results

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Lucky numbers that are concatenations of n with itself.

+0
3

33, 99, 2121, 2323, 5151, 5959, 6363, 7171, 7575, 8787, 8989, 9999, 105105, 111111, 117117, 123123, 129129, 135135, 143143, 147147, 153153, 171171, 173173, 177177, 191191, 201201, 237237, 243243, 255255, 263263, 285285, 305305, 309309, 317317 (list; graph; listen)

	OFFSET	`1,1`
	CROSSREFS	`Cf. A000959, A032640.` `Adjacent sequences: A032647 A032648 A032649 this_sequence A032651 A032652 A032653` `Sequence in context: A044220 A044601 A098441 this_sequence A133901 A008880 A045613`
	KEYWORD	`nonn`
	AUTHOR	`Patrick De Geest (pdg(AT)worldofnumbers.com), May 15, 1998.`
	EXTENSIONS	`More terms from Sascha Kurz (sascha.kurz(AT)uni-bayreuth.de), Mar 24 2002`

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Last modified October 13 02:37 EDT 2008. Contains 145008 sequences.

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