%I #11 Jul 19 2021 19:55:04
%S 1,4,6,15,17,19,16,11,9,5
%N Alternate numbers on a dartboard, read clockwise.
%C These usually appear as beds with white backgrounds with green doubles beds.
%Y Cf. A003833, A008575, A104158, A104159.
%K nonn,fini,full
%O 1,2
%A Danny Williamson (daniel.williamson(AT)durham.ac.uk), May 02 2006