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%I #13 Jul 14 2015 04:27:37
%S 1,2,6,9,12,28,30,1811,1976,8384,53760,243875,639336,41381633,
%T 102621357,7802708751,7802708752,178874468632,1133934949386
%N Diagonal of A083788.
%C a(16) > 750000000. - _Ray Chandler_, Aug 21 2003
%C a(18) > 10^11. [_Donovan Johnson_, Oct 24 2009]
%C a(20) > 10^13. - _Giovanni Resta_, Jul 13 2015
%Y Cf. A083788, A083790, A083791.
%K nonn,more
%O 1,2
%A _Amarnath Murthy_, May 07 2003
%E Corrected and extended by _Ray Chandler_, Aug 17 2003
%E More terms from _Ray Chandler_, Aug 21 2003
%E a(16)-a(17) from _Donovan Johnson_, Oct 24 2009
%E a(18)-a(19) from _Giovanni Resta_, Jul 13 2015
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