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a(n) = 2^(log_{2}(a(n-2))+a(n-1)), a(1)=1, a(2)=2.
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%I #10 Jun 18 2021 14:48:41

%S 1,2,4,32,17179869184

%N a(n) = 2^(log_{2}(a(n-2))+a(n-1)), a(1)=1, a(2)=2.

%Y Cf. A112237, A112866.

%K nonn

%O 1,2

%A _Yasutoshi Kohmoto_, Feb 18 2006

%E Definition adapted to offset by _Georg Fischer_, Jun 18 2021