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A039559 Numbers whose base-4 representation has the same number of 0's, 1's and 2's. 0
3, 15, 18, 24, 33, 36, 63, 75, 78, 99, 108, 114, 120, 135, 141, 147, 156, 177, 180, 198, 201, 210, 216, 225, 228, 255, 303, 315, 318, 399, 435, 444, 459, 462, 483, 492, 498, 504, 543, 567, 573, 591, 627, 636, 711, 717, 723, 732, 753, 756, 795, 798, 807, 813 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..54.

MATHEMATICA

Select[Range[900], DigitCount[#, 4, 0]==DigitCount[#, 4, 1]==DigitCount[#, 4, 2]&] (* Harvey P. Dale, Feb 26 2013 *)

CROSSREFS

Cf. A007090.

Sequence in context: A080793 A077225 A236526 * A045753 A022381 A206367

Adjacent sequences:  A039556 A039557 A039558 * A039560 A039561 A039562

KEYWORD

nonn,base,easy

AUTHOR

Olivier Gérard

STATUS

approved

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Last modified September 18 19:30 EDT 2021. Contains 347534 sequences. (Running on oeis4.)