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%I #27 Sep 15 2023 07:53:17
%S 0,1,3,5,9,19,34,65,75,167,269,372,401,896,1444,2002,2435,5445,8779,
%T 12175,15591,34862,56213,77953,113501,231769,253794,409231,567501,
%U 886464,1687299,1982193,3196190,4432317,7146896,13178226,15980946
%N Radii of the circles around (0,0) that contain record numbers of lattice points, rounded up to the next integer.
%C a(n)^2 = A071383(n) for a(n) = 1, 5, 65, ... .
%H Ray Chandler, <a href="/A071384/b071384.txt">Table of n, a(n) for n = 1..425</a>
%H Hugo Pfoertner, <a href="http://www.randomwalk.de/sequences/a071383.pdf">Construction of A071383, A071384, A071385</a>
%F a(n) = ceiling ( A071383(n)^(1/2) ).
%Y Cf. A071383, A071385, A046109.
%K nonn
%O 1,3
%A _Hugo Pfoertner_, May 23 2002
%E Description clarified by _Günter Rote_, Sep 13 2023
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