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A045038
Numbers whose base-4 representation contains no 0's and exactly one 2.
1
2, 6, 9, 11, 14, 22, 25, 27, 30, 37, 39, 45, 47, 54, 57, 59, 62, 86, 89, 91, 94, 101, 103, 109, 111, 118, 121, 123, 126, 149, 151, 157, 159, 181, 183, 189, 191, 214, 217, 219, 222, 229, 231, 237, 239, 246, 249, 251, 254, 342, 345
OFFSET
1,1
LINKS
MATHEMATICA
Select[Range[100000], DigitCount[#, 4, 0] == 0 && DigitCount[#, 4, 2] == 1 &] (* Vincenzo Librandi, Sep 23 2016 *)
CROSSREFS
Cf. A007090.
Sequence in context: A192420 A139639 A187690 * A285951 A191252 A026348
KEYWORD
nonn,base
STATUS
approved