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A039002 Numbers whose base-4 representation has the same number of 0's and 1's. 1
2, 3, 4, 10, 11, 14, 15, 18, 19, 24, 28, 33, 36, 42, 43, 46, 47, 49, 52, 58, 59, 62, 63, 65, 68, 74, 75, 78, 79, 80, 98, 99, 104, 108, 114, 115, 120, 124, 134, 135, 137, 141, 146, 147, 152, 156, 161, 164, 170, 171, 174, 175, 177, 180, 186, 187, 190, 191, 198, 199 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
MATHEMATICA
Select[Range[200], DigitCount[#, 4, 0] == DigitCount[#, 4, 1] &] (* Ivan Neretin, Apr 27 2017 *)
CROSSREFS
Cf. A007090.
Sequence in context: A047455 A336193 A202426 * A295393 A120023 A353243
KEYWORD
nonn,base,easy
AUTHOR
STATUS
approved

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Last modified March 28 05:02 EDT 2024. Contains 371235 sequences. (Running on oeis4.)