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%I #3 Nov 03 2016 05:27:46
%S 1,1,3,7,41,577,47321,54608393,5168247530883,564459384575477049359
%N Numerators in the approximation of sqrt(2) satisfying the recurrence: a(n)= [a(n-1)*a(n-2)+2]/[a(n-1)+a(n-2)] with a(1)=a(2)=1
%Y Cf. A179823
%K frac,nonn
%O 1,3
%A _Mark Dols_, Aug 01 2010