A023722 Numbers with a single 0 in their base 5 expansion.

0, 5, 10, 15, 20, 26, 27, 28, 29, 30, 35, 40, 45, 51, 52, 53, 54, 55, 60, 65, 70, 76, 77, 78, 79, 80, 85, 90, 95, 101, 102, 103, 104, 105, 110, 115, 120, 131, 132, 133, 134, 136, 137, 138, 139, 141, 142, 143, 144, 146, 147, 148, 149

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[ 0, 150 ], (Count[ IntegerDigits[ #, 5 ], 0 ]==1)& ]