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%I #12 Oct 25 2016 11:42:32
%S 4,5,6,7,8,10,12,15,18,27,38,57,86,157,291,678,1557,4406,16332,58515,
%T 269028,1976680,16444560,180744025,3078792661,81397457281,
%U 4230590813376,348816568612875,68297288451850013,26970387494194667541
%N a(n+1) = a(n) converted to base 5 from base 4 (written in base 10).
%H John Cerkan, <a href="/A023373/b023373.txt">Table of n, a(n) for n = 1..56</a>
%t NestList[FromDigits[IntegerDigits[#,4],5]&,4,30] (* _Harvey P. Dale_, Apr 21 2011 *)
%K nonn,base
%O 1,1
%A _David W. Wilson_
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