%I #6 May 19 2015 16:08:58
%S 2,5,13,35,96,267,750,2118
%N First row of array in A235610.
%H John Tromp, <a href="http://tromp.github.io/c4/c4.html">John's Connect Four Playground</a>, viewed Jan 23 2014.
%Y Cf. A235610.
%K nonn,more
%O 1,1
%A _N. J. A. Sloane_, Jan 23 2014