id:A039402 - OEIS Search Results

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Numbers n such that representation in base 10 has same nonzero number of 1's and 2's.

+0
1

12, 21, 102, 120, 123, 124, 125, 126, 127, 128, 129, 132, 142, 152, 162, 172, 182, 192, 201, 210, 213, 214, 215, 216, 217, 218, 219, 231, 241, 251, 261, 271, 281, 291, 312, 321, 412, 421, 512, 521, 612, 621, 712, 721, 812, 821, 912, 921, 1002, 1020 (list; graph; listen)

	OFFSET	`1,1`
	CROSSREFS	`Adjacent sequences: A039399 A039400 A039401 this_sequence A039403 A039404 A039405` `Sequence in context: A071263 A137480 A048344 this_sequence A043225 A111066 A044005`
	KEYWORD	`nonn,base,easy`
	AUTHOR	`Olivier Gerard (olivier.gerard(AT)gmail.com)`

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Last modified October 5 16:50 EDT 2008. Contains 144613 sequences.

AT&T Labs Research