%I #5 Mar 30 2012 17:33:54
%S 0,1,1,1,1,0,0,0,0,0,0,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,
%T 1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,
%U 0,0,0,0,0,0,0,0,0,0,0
%N n-th run has length n-th nonprime number A018252, with digits 0 and 1 only, starting with 0.
%C Also the n-th run has length A141468, with digits 0 and 1 only, starting with 1.
%e .n ..... Run ................... Length
%e .1 ..... 0 ..................... 1
%e .2 ..... 1,1,1,1 ............... 4
%e .3 ..... 0,0,0,0,0,0 ........... 6
%e .4 ..... 1,1,1,1,1,1,1,1 ....... 8
%e .5 ..... 0,0,0,0,0,0,0,0,0 ..... 9
%Y Cf. A057211, A138149, A138150, A138709, A138710, A138711, A138712, A138885.
%K easy,nonn
%O 1,1
%A _Omar E. Pol_, Apr 06 2008