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Period of continued fraction for sqrt(6)*n.
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%I #8 Feb 10 2016 13:35:16

%S 2,2,6,4,2,6,6,8,2,2,4,12,16,6,12,12,22,2,18,2,24,4,20,20,18,12,10,8,

%T 22,8,26,32,4,14,8,8,40,10,40,4,34,16,38,8,8,16,40,44,2,14,10,24,50,

%U 10,12,4,18,22,22,8,56,26,20,60,32,4,58,24,60,4,68,20,34,40,58,24,28,44

%N Period of continued fraction for sqrt(6)*n.

%e A040003 (cfrac for n=1) has period length 2, so a(1)=2. A040019 (cfrac for n=2) has period length 2, so a(2)=2. A010140 (cfrac for n=3) has period length 6, so a(3)=6. - _R. J. Mathar_, Feb 10 2016

%K nonn

%O 1,1

%A _R. K. Guy_, Oct 26 2001