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 A031466 Numbers whose base-4 representation has one fewer 0 than 3's. 1
 3, 7, 11, 13, 14, 23, 27, 29, 30, 39, 43, 45, 46, 51, 53, 54, 57, 58, 60, 79, 87, 91, 93, 94, 103, 107, 109, 110, 115, 117, 118, 121, 122, 124, 143, 151, 155, 157, 158, 167, 171, 173, 174, 179, 181, 182, 185, 186, 188, 199, 203, 205 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Numbers n such that A160383(n) - A160380(n) = 1. - Robert Israel, Jun 05 2018 LINKS Robert Israel, Table of n, a(n) for n = 1..10000 MAPLE filter:= proc(n) local L; L:= convert(n, base, 4); numboccur(3, L) - numboccur(0, L)=1 end proc: select(filter, [\$1..300]); # Robert Israel, Jun 05 2018 MATHEMATICA Select[Range[210], DigitCount[#, 4, 0]==DigitCount[#, 4, 3]-1&] (* Harvey P. Dale, Dec 16 2011 *) CROSSREFS Cf. A007090, A160380, A160383. Sequence in context: A096346 A104534 A062823 * A045062 A111068 A322430 Adjacent sequences: A031463 A031464 A031465 * A031467 A031468 A031469 KEYWORD nonn,base AUTHOR Clark Kimberling STATUS approved

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Last modified August 12 10:46 EDT 2024. Contains 375092 sequences. (Running on oeis4.)