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A045173
Numbers whose base-5 representation contains no 0's and exactly one 2.
0
2, 7, 11, 13, 14, 17, 22, 32, 36, 38, 39, 42, 47, 56, 58, 59, 66, 68, 69, 71, 73, 74, 82, 86, 88, 89, 92, 97, 107, 111, 113, 114, 117, 122, 157, 161, 163, 164, 167, 172, 181, 183, 184, 191, 193, 194, 196, 198, 199, 207, 211, 213, 214
OFFSET
1,1
MATHEMATICA
Select[Range[250], DigitCount[#, 5, 0]==0&&DigitCount[#, 5, 2]==1&] (* Harvey P. Dale, Jul 29 2024 *)
CROSSREFS
Cf. A007091.
Sequence in context: A136998 A136734 A113544 * A230048 A201362 A063976
KEYWORD
nonn,base
STATUS
approved