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Sum of terms in period of continued fraction for sqrt(A031402(n)).
1

%I #5 Mar 30 2012 18:35:29

%S 2,3,4,6,7,9,10,12,17,18,25,29,34,36,41,54,58,63,71,81,82,95,103,106,

%T 109,118,143,155,162,194,201,223,230,237,249,255,262,281,303,309,325,

%U 358,370,373,390,426,433,434,449,475,482,527,530,554,577

%N Sum of terms in period of continued fraction for sqrt(A031402(n)).

%K nonn

%O 1,1

%A _David W. Wilson_