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A023692 Numbers with a single 1 in their ternary expansion. +0
3
1, 3, 5, 7, 9, 11, 15, 17, 19, 21, 23, 25, 27, 29, 33, 35, 45, 47, 51, 53, 55, 57, 59, 61, 63, 65, 69, 71, 73, 75, 77, 79, 81, 83, 87, 89, 99, 101, 105, 107, 135, 137, 141, 143, 153, 155, 159, 161, 163, 165, 167, 169, 171, 173, 177, 179 (list; graph; listen)
OFFSET

1,2

MATHEMATICA

Select[ Range[ 189 ], (Count[ IntegerDigits[ #, 3 ], 1 ]==1)& ]

CROSSREFS

Sequence in context: A134917 A066665 A043325 this_sequence A118360 A077799 A077374

Adjacent sequences: A023689 A023690 A023691 this_sequence A023693 A023694 A023695

KEYWORD

nonn,base,easy

AUTHOR

Olivier Gerard (ogerard(AT)ext.jussieu.fr)

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Last modified September 5 01:44 EDT 2008. Contains 143476 sequences.


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