A045219 Numbers whose base-5 representation contains no 1's and exactly two 2's.

12, 52, 60, 63, 64, 67, 72, 87, 112, 252, 260, 263, 264, 267, 272, 300, 303, 304, 315, 318, 319, 320, 323, 324, 327, 335, 338, 339, 342, 347, 352, 360, 363, 364, 367, 372, 387, 427, 435, 438, 439, 442, 447, 462, 487, 512, 552

Offset

1,1

Links

Table of n, a(n) for n=1..47.

Mathematica

Select[Range[600], DigitCount[#, 5, 1]==0&&DigitCount[#, 5, 2]==2&] (* Harvey P. Dale, Aug 08 2020 *)

Crossrefs

Cf. A007091.

Sequence in context: A225306 A331041 A317466 * A325379 A054410 A185355

Adjacent sequences: A045216 A045217 A045218 * A045220 A045221 A045222

Keyword

nonn,base

Author

Clark Kimberling

Status

approved