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Largest prime < sqrt(2n-4) - 1.
0

%I #6 Feb 22 2024 21:30:11

%S 2,2,2,2,2,3,3,3,3,3,3,3,3,3,3,3,3,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,7,

%T 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,

%U 7,7,7,7,7,7,7,7,7,11,11,11,11,11,11,11,11,11,11,11

%N Largest prime < sqrt(2n-4) - 1.

%D F. Lemmermeyer, Reciprocity Laws From Euler to Eisenstein, Springer-Verlag, 2000, p. 19.

%K nonn

%O 10,1

%A _N. J. A. Sloane_, Mar 22 2002

%E Name corrected by _Sean A. Irvine_, Feb 22 2024