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 A039006 Numbers whose base-4 representation 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: A216562 A174009 A370980 * 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 August 15 04:38 EDT 2024. Contains 375172 sequences. (Running on oeis4.)