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A045014 Numbers n with property that in base 4 representation the numbers of 0's and 1's are 0 and 1, respectively. 1
1, 6, 7, 9, 13, 26, 27, 30, 31, 38, 39, 41, 45, 54, 55, 57, 61, 106, 107, 110, 111, 122, 123, 126, 127, 154, 155, 158, 159, 166, 167, 169, 173, 182, 183, 185, 189, 218, 219, 222, 223, 230, 231, 233, 237, 246, 247, 249, 253, 426, 427 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..1900

MATHEMATICA

Select[Range[700], DigitCount[#, 4, 0] == 0 && DigitCount[#, 4, 1] == 1 &] (* Vincenzo Librandi, Sep 21 2016 *)

CROSSREFS

Sequence in context: A169761 A049304 A168614 * A047591 A239869 A289547

Adjacent sequences:  A045011 A045012 A045013 * A045015 A045016 A045017

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified February 20 07:41 EST 2020. Contains 332069 sequences. (Running on oeis4.)