A045248 Numbers whose base-5 representation contains no 1's and exactly one 4.

4, 14, 19, 20, 22, 23, 54, 64, 69, 70, 72, 73, 79, 89, 94, 95, 97, 98, 100, 102, 103, 110, 112, 113, 115, 117, 118, 254, 264, 269, 270, 272, 273, 304, 314, 319, 320, 322, 323, 329, 339, 344, 345, 347, 348, 350, 352, 353, 360, 362

Offset

1,1

Links

Table of n, a(n) for n=1..50.

Mathematica

Select[Range[400], DigitCount[#, 5, 1]==0&&DigitCount[#, 5, 4]==1&] (* Harvey P. Dale, Mar 03 2024 *)

Crossrefs

Cf. A007091.

Sequence in context: A251966 A022383 A336634 * A271375 A070902 A059007

Adjacent sequences: A045245 A045246 A045247 * A045249 A045250 A045251

Keyword

nonn,base

Author

Clark Kimberling

Status

approved