%I #5 Jul 01 2019 22:56:00
%S 4,5,6,9,10,11,12,15,21,24,31,34,44,58,61,64,66,67,68,69,71,72,75,78,
%T 80,81,82,84,85,86,87,89,90,93,96,99,100,109,111,120,122,131,133,136,
%U 139,142,161,164,187,190,196,198,200,201,202,203,204,205,207,209,210,211,213,215
%N Positions of 1's on the spiral defined in A308884.
%Y Cf. A308884-A308895.
%K nonn
%O 1,1
%A _N. J. A. Sloane_, Jul 01 2019