A037981 Maximal base 5 run length is 2.

6, 12, 18, 24, 25, 30, 32, 33, 34, 37, 43, 49, 50, 56, 60, 61, 63, 64, 68, 74, 75, 81, 87, 90, 91, 92, 94, 99, 100, 106, 112, 118, 120, 121, 122, 123, 126, 127, 128, 129, 131, 137, 143, 149, 150, 151, 152, 153, 154, 160, 161, 162, 163

Offset: 1

Author

Clark Kimberling

Keywords

• nonn
• base

Crossrefs

Cf. A043279.

Programs

Mathematica

Select[Range[170],Max[Length/@Split[IntegerDigits[#,5]]]==2&] (* Harvey P. Dale, Mar 29 2025 *)