%I #41 Apr 11 2014 00:22:02
%S 0,0,0,1,1,1,1,2,2,3,3,4,4,5,5,6,6,6,6,7,7,8,14,22,28,36,43
%N Number of intersections after n-th stage in the structure mentioned in A210606 using semicircumferences and counting the superposed intersections several times.
%C The structure mentioned in A210606 is a model for the visualization of Recamán's sequence A005132.
%C First differs from A210609 at a(24).
%H <a href="/index/Rea#Recaman">Index entries for sequences related to Recamán's sequence</a>
%Y Cf. A005132, A064289, A119632, A160356, A160357, A171175, A171178, A210606, A210607, A210609-A210613.
%K nonn,hard,more
%O 1,8
%A _Omar E. Pol_, Mar 25 2012