A045050 Numbers whose base-4 representation contains exactly two 0's and three 2's.

522, 546, 552, 642, 648, 672, 1066, 1162, 1186, 1192, 1546, 1570, 1576, 1666, 1672, 1696, 2074, 2086, 2089, 2091, 2094, 2106, 2122, 2146, 2152, 2182, 2185, 2187, 2190, 2194, 2200, 2209, 2211, 2212, 2220, 2226, 2232, 2250

Offset: 1

Author

Clark Kimberling

Keywords

• nonn
• base

Links

• Vincenzo Librandi, Table of n, a(n) for n = 1..4000

Crossrefs

Cf. A007090.

Programs

Mathematica

Select[Range[7000], DigitCount[#, 4, 0] == 2 && DigitCount[#, 4, 2] == 3 &] (* Vincenzo Librandi, Sep 21 2016 *)