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%I #4 Oct 15 2013 22:31:40
%S 2,4,3,8,10,16,66,32,220,64,235620,128,360360,256,2508660,512,
%T 16290726273360,1024,23508390120198798054240,2048,
%U 465977246353354335600,4096,3026207803243202829468977760,8192
%N LCM of terms in periodic part of continued fraction expansion of square root of 1+2^n.
%t Table[Apply[LCM, Last[ContinuedFraction[Sqrt[1+2^u]]]], {u, 1, 25}]
%Y Cf. A077624-A077635.
%K nonn
%O 1,1
%A _Labos Elemer_, Nov 13 2002
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