%I #13 Sep 01 2023 15:49:40
%S 0,1,6,34,13730
%N Number of (curved) edges after n iterations of constructing circles from all current vertices using only a compass, starting with one vertex. See the Comments.
%C See A359569 and A359570 for further details and images.
%F For n >= 3, a(n) = A359569(n) + A359570(n) - 1 by Euler's formula.
%Y Cf. A359569 (vertices), A359570 (regions), A359619 (k-gons), A359254, A359047, A358783.
%K nonn,more,hard
%O 1,3
%A _Scott R. Shannon_, Jan 06 2023