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%I #18 Mar 03 2018 21:30:28
%S 1,3,9,15,17,18,24,27,28,30,40,41,44,47,48,50,51,52,53,56,57,60,64,67
%N Record values in A085068.
%H J. C. Lagarias and N. J. A. Sloane, Approximate squaring (<a href="http://neilsloane.com/doc/apsq.pdf">pdf</a>, <a href="http://neilsloane.com/doc/apsq.ps">ps</a>), Experimental Math., 13 (2004), 113-128.
%t f[n_] := Block[{c = 1, k = 4 n/3}, While[ ! IntegerQ@k, c++; k = 4 Ceiling@k/3]; c]; t = Table[0, {1000}]; Do[ a = f@n; If[a < 101 && t[[a]] == 0, t[[a]] = n; Print[{a, n}]], {n, 0, 21*10^8}] (* _Robert G. Wilson v_, May 28 2007 *)
%Y Cf. A085068, A085071, A085330.
%K nonn,more
%O 1,2
%A _N. J. A. Sloane_, Aug 13 2003
%E More terms from _Jason Earls_, Aug 14 2003
%E a(12)-a(16) from _Robert G. Wilson v_, May 28 2007
%E a(17)-a(24) from _Lars Blomberg_, Mar 03 2018
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