id:A023694 - OEIS Search Results

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Numbers with exactly 3 1's in ternary expansion.

+0
1

13, 31, 37, 39, 41, 43, 49, 67, 85, 91, 93, 95, 97, 103, 109, 111, 113, 115, 117, 119, 123, 125, 127, 129, 131, 133, 139, 145, 147, 149, 151, 157, 175, 193, 199, 201, 203, 205, 211, 229, 247, 253, 255, 257, 259, 265, 271, 273, 275 (list; graph; listen)

	OFFSET	`1,1`
	MATHEMATICA	`Select[ Range[ 270 ], (Count[ IntegerDigits[ #, 3 ], 1 ]==3)& ]`
	CROSSREFS	`Sequence in context: A048450 A139577 A046414 this_sequence A038465 A103665 A040050` `Adjacent sequences: A023691 A023692 A023693 this_sequence A023695 A023696 A023697`
	KEYWORD	`nonn,base,easy`
	AUTHOR	`Olivier Gerard (ogerard(AT)ext.jussieu.fr)`

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Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.

AT&T Labs Research