A045249 Numbers whose base-5 representation contains no 1's and exactly two 4's.

24, 74, 99, 104, 114, 119, 120, 122, 123, 274, 324, 349, 354, 364, 369, 370, 372, 373, 399, 449, 474, 479, 489, 494, 495, 497, 498, 504, 514, 519, 520, 522, 523, 554, 564, 569, 570, 572, 573, 579, 589, 594, 595, 597, 598, 600

Offset

1,1

Links

Table of n, a(n) for n=1..46.

Mathematica

Select[Range[600], DigitCount[#, 5, 1]==0&&DigitCount[#, 5, 4]==2&] (* Harvey P. Dale, Mar 29 2023 *)

Crossrefs

Cf. A007091.

Sequence in context: A042130 A042132 A042134 * A185940 A378065 A265424

Adjacent sequences: A045246 A045247 A045248 * A045250 A045251 A045252

Keyword

nonn,base

Author

Clark Kimberling

Status

approved