A023692 Numbers with a single 1 in their ternary expansion.

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

Offset: 1

Author

Olivier Gérard

Keywords

• nonn
• base
• easy

Links

• Seiichi Manyama, Table of n, a(n) for n = 1..10000

Programs

Mathematica

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