%I #7 Jul 19 2021 01:17:35
%S 1,18,4,13,6,10,15,2,17,3,19,7,16,8,11,14,9,12,5,20,25,50
%N Sectors on dartboard.
%H K. S. Brown, <a href="http://www.mathpages.com/home/kmath025.htm">The Dartboard Sequence</a>
%Y Cf. A003833.
%K nonn,fini,full
%O 1,2
%A aubrey.moore(AT)saipan.com; C. R. Sloane