%I #7 Jan 21 2014 12:30:20
%S 0,0,-1,0,-1,0,-1,-1,0,0,0,0,-1,-1,0,0,0,0,-1,-1,0,0,-1,0,0,0,0,1,0,1,
%T 0,0,0,0,0,1,0,1,1,1,0,1,0,0,0,1,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
%U 1,1,1,1,1,1,1,1,0,0,1,1,2,2,1,1,1,1,0,0,1,1,1,2,1,1,1,2,2,2,2,3,2,2,2,2,1,2,1,2,2
%N a(n) = A061017(n) - pi(n) - 1.
%C a(n) >= 0 for all n >= 24.
%C The old entry with this sequence number was a duplicate of A074292.
%Y Cf. A061017, A006218, A098357, A052511.
%K sign
%O 1,77
%A _David Applegate_ and _N. J. A. Sloane_, Oct 22 2008