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A039006 Numbers whose representation in base 4 has the same number of 2's and 3's. 1
0, 1, 4, 5, 11, 14, 16, 17, 20, 21, 27, 30, 35, 39, 44, 45, 50, 54, 56, 57, 64, 65, 68, 69, 75, 78, 80, 81, 84, 85, 91, 94, 99, 103, 108, 109, 114, 118, 120, 121, 131, 135, 140, 141, 147, 151, 156, 157, 175, 176, 177, 180, 181, 187, 190, 194, 198, 200, 201, 210 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Daniel Starodubtsev, Table of n, a(n) for n = 1..10000

MATHEMATICA

Select[Range[0, 250], DigitCount[#, 4, 2]==DigitCount[#, 4, 3]&] (* Harvey P. Dale, Mar 19 2017 *)

CROSSREFS

Cf. A007090, A160382, A160383, A039005.

Cf. A000302, A052539 (subsequences).

Sequence in context: A163098 A216562 A174009 * A191209 A262901 A287574

Adjacent sequences:  A039003 A039004 A039005 * A039007 A039008 A039009

KEYWORD

nonn,base,easy

AUTHOR

Olivier Gérard

STATUS

approved

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Last modified May 18 04:22 EDT 2021. Contains 343994 sequences. (Running on oeis4.)