A045174 Numbers whose base-5 representation contains no 0's and exactly two 2's.

12, 37, 57, 61, 63, 64, 67, 72, 87, 112, 162, 182, 186, 188, 189, 192, 197, 212, 237, 282, 286, 288, 289, 292, 297, 306, 308, 309, 316, 318, 319, 321, 323, 324, 332, 336, 338, 339, 342, 347, 357, 361, 363, 364, 367, 372, 412, 432

Offset

1,1

Links

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

Mathematica

Select[Range[500], DigitCount[#, 5, 0]==0&&DigitCount[#, 5, 2]==2&] (* Harvey P. Dale, Dec 02 2021 *)

Crossrefs

Cf. A007091.

Sequence in context: A045285 A045270 A012276 * A044089 A044470 A005892

Adjacent sequences: A045171 A045172 A045173 * A045175 A045176 A045177

Keyword

nonn,base

Author

Clark Kimberling

Status

approved