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A045072
Numbers whose base-4 representation contains exactly two 0's and one 3.
0
48, 67, 76, 112, 131, 140, 176, 193, 194, 196, 200, 208, 224, 263, 267, 269, 270, 275, 284, 291, 300, 305, 306, 308, 312, 323, 332, 368, 387, 396, 432, 449, 450, 452, 456, 464, 480, 519, 523, 525, 526, 531, 540, 547, 556, 561
OFFSET
1,1
MATHEMATICA
Select[Range[600], DigitCount[#, 4, 0]==2&&DigitCount[#, 4, 3]==1&] (* Harvey P. Dale, Sep 22 2016 *)
CROSSREFS
Cf. A007090.
Sequence in context: A186400 A205188 A333672 * A217139 A241481 A100409
KEYWORD
nonn,base
STATUS
approved