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First row of array in A235610.
1

%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