A045159 Numbers whose base-5 representation contains no 0's and exactly two 1's.

6, 32, 33, 34, 36, 41, 46, 56, 81, 106, 162, 163, 164, 167, 168, 169, 172, 173, 174, 182, 183, 184, 186, 191, 196, 207, 208, 209, 211, 216, 221, 232, 233, 234, 236, 241, 246, 282, 283, 284, 286, 291, 296, 306, 331, 356, 407, 408

Offset

1,1

Links

Table of n, a(n) for n=1..48.

Mathematica

Select[Range[500], DigitCount[#, 5, 0]==0&&DigitCount[#, 5, 1]==2&] (* Harvey P. Dale, Sep 29 2023 *)

Crossrefs

Cf. A007091.

Sequence in context: A006115 A144780 A126976 * A121002 A161844 A305291

Adjacent sequences: A045156 A045157 A045158 * A045160 A045161 A045162

Keyword

nonn,base

Author

Clark Kimberling

Status

approved