%I #7 Jul 06 2017 16:50:22
%S 0,4,6,8,10,12,14,22,30,46
%N a(n) = length of longest circuit code K(n,4).
%H Kevin M. Byrnes, <a href="https://arxiv.org/abs/1604.02755">A new method for constructing circuit codes</a>, Bull. ICA, 80 (2017), 40-60.
%Y Cf. A000937, A289424, A289426.
%K nonn,more
%O 1,2
%A _N. J. A. Sloane_, Jul 06 2017