A045011 Numbers whose base-3 representation contains exactly four 0's and two 2's.

488, 492, 504, 540, 648, 737, 749, 753, 785, 789, 801, 893, 897, 909, 945, 1217, 1221, 1233, 1269, 1377, 1463, 1465, 1469, 1473, 1477, 1479, 1487, 1491, 1503, 1513, 1515, 1521, 1541, 1545, 1557, 1593, 1621, 1623, 1629

Offset

1,1

Links

Table of n, a(n) for n=1..39.

Mathematica

b302Q[n_]:=Module[{dc=DigitCount[n, 3]}, dc[[3]]==4&&dc[[2]]==2]; Select[ Range[ 1700], b302Q] (* Harvey P. Dale, Oct 24 2011 *)

Crossrefs

Cf. A007089.

Sequence in context: A097766 A214806 A126819 * A253336 A205315 A118449

Adjacent sequences: A045008 A045009 A045010 * A045012 A045013 A045014

Keyword

nonn,base

Author

Clark Kimberling

Status

approved