%I #3 Mar 30 2012 16:49:03
%S 1,2,10,1682,120057399050,2647928126185116317725365841617509110202,
%T 255789488733925851648062359817182405921531524373868836229124342967857050792404036741709821164704443818848164235229369262826826092463167079882026
%N Central column (even terms a(2*n,n)) of A059922.
%K nonn
%O 0,2
%A _N. J. A. Sloane_, Feb 09 2001