A045066 Numbers whose base-4 representation contains exactly one 0 and no 3's.

0, 4, 8, 17, 18, 20, 24, 33, 34, 36, 40, 69, 70, 73, 74, 81, 82, 84, 88, 97, 98, 100, 104, 133, 134, 137, 138, 145, 146, 148, 152, 161, 162, 164, 168, 277, 278, 281, 282, 293, 294, 297, 298, 325, 326, 329, 330, 337, 338, 340, 344, 353

Offset

1,2

Links

Table of n, a(n) for n=1..52.

Mathematica

Select[Range[0, 400], DigitCount[#, 4, 0]==1&&DigitCount[#, 4, 3]==0&] (* Harvey P. Dale, Nov 16 2011 *)

Crossrefs

Cf. A007090.

Sequence in context: A130436 A260306 A031462 * A151911 A037242 A158139

Adjacent sequences: A045063 A045064 A045065 * A045067 A045068 A045069

Keyword

nonn,base

Author

Clark Kimberling

Extensions

a(1) = 0 inserted by Georg Fischer, Jun 28 2019

Status

approved