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A045249
Numbers whose base-5 representation contains no 1's and exactly two 4's.
0
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
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
KEYWORD
nonn,base
STATUS
approved