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%I #9 Aug 03 2014 14:27:16
%S 0,1,2,3,9,10,11,12,18,19,20,21,27,28,29,30,81,82,83,84,90,91,92,93,
%T 99,100,101,102,108,109,110,111,162,163,164,165,171,172,173,174,180,
%U 181,182,183,189,190,191,192,243,244,245,246,252,253,254,255,261
%N a(n)=Sum{d(i)*9^i: i=0,1,...,m}, where Sum{d(i)*4^i: i=0,1,...,m} is the base 4 representation of n.
%H Clark Kimberling, <a href="/A037463/b037463.txt">Table of n, a(n) for n = 0..1000</a>
%t Table[FromDigits[RealDigits[n, 4], 9], {n, 0, 100}]
%t (* _Clark Kimberling_, Aug 14 2012 *)
%K nonn,base
%O 0,3
%A _Clark Kimberling_
%E Offset changed to 0 by _Clark Kimberling_, Aug 14 2012
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