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A045077
Numbers whose base-4 representation contains exactly three 0's and one 3.
0
192, 259, 268, 304, 448, 515, 524, 560, 704, 769, 770, 772, 776, 784, 800, 832, 896, 1031, 1035, 1037, 1038, 1043, 1052, 1059, 1068, 1073, 1074, 1076, 1080, 1091, 1100, 1136, 1155, 1164, 1200, 1217, 1218, 1220, 1224, 1232
OFFSET
1,1
MATHEMATICA
Select[Range[1500], DigitCount[#, 4, 0]==3&&DigitCount[#, 4, 3]==1&] (* Harvey P. Dale, Jun 01 2012 *)
CROSSREFS
Cf. A007090.
Sequence in context: A039667 A273890 A344860 * A234135 A030632 A189987
KEYWORD
nonn,base
STATUS
approved