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%I #13 Nov 17 2016 11:17:25
%S 1,20,1170,136000,26276900,7605187200,3079172005000,1661435709440000,
%T 1152219238256970000,998612074565747200000,1057635292751424744500000,
%U 1344007509419503558656000000,2018255243962112126438545000000
%N Square root of v(2*n+1) / (2*v(2*n)), where v=A203773.
%C See A203773.
%F a(n) = n*gamma((1-i)*n)*gamma((1+i)*n)*sinh(n*Pi)/Pi (conjecture). - _Velin Yanev_, Nov 14 2016
%t (See A203773.)
%K nonn
%O 1,2
%A _Clark Kimberling_, Jan 05 2012
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