A045203 Numbers whose base-5 representation contains no 0's and exactly one 4.

4, 9, 14, 19, 21, 22, 23, 34, 39, 44, 46, 47, 48, 59, 64, 69, 71, 72, 73, 84, 89, 94, 96, 97, 98, 106, 107, 108, 111, 112, 113, 116, 117, 118, 159, 164, 169, 171, 172, 173, 184, 189, 194, 196, 197, 198, 209, 214, 219, 221, 222, 223

Offset: 1

Author

Clark Kimberling

Keywords

• nonn
• base

Links

• Vincenzo Librandi, Table of n, a(n) for n = 1..1000

Crossrefs

Cf. A007091.

Programs

Mathematica

Select[Range[300],DigitCount[#,5,0]==0&&DigitCount[#,5,4]==1&] (* Harvey P. Dale, Jun 24 2014 *)