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A023692 Numbers with a single 1 in their ternary expansion. 2
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; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..56.

MATHEMATICA

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

CROSSREFS

Sequence in context: A204457 A283800 A043325 * A155113 A256862 A173601

Adjacent sequences:  A023689 A023690 A023691 * A023693 A023694 A023695

KEYWORD

nonn,base,easy

AUTHOR

Olivier Gérard

STATUS

approved

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Last modified September 25 01:17 EDT 2018. Contains 315360 sequences. (Running on oeis4.)