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%I #5 Sep 08 2013 13:31:00
%S 1,35,1195,63365,5126905,594825635,93900238195,19371302880965,
%T 5061231946045105,1633629246059544035,638388562675692767995,
%U 297033561831219312442565,162266449500902451982091305
%N Secondary diagonal of symmetric triangle A126155: a(n) = A126155(n+1,n).
%F a(n)=A126157(n+1)-4*A126157(n). - _Philippe Deléham_, Jul 22 2007
%Y Cf. A126155; A126156 (column 0), A126157 (main diagonal).
%K nonn
%O 0,2
%A _Paul D. Hanna_, Dec 20 2006
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