A181663 - OEIS

%I #18 Mar 30 2012 16:51:58

%S 1,0,0,0,0,1,0,0,1,0,0,1,0,0,1,0,0,1,0,0,1,0,0,1,0,0,1,0,0,1,0,0,1,0,

%T 0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,1,0,0,1,0,0,1,0,0,1,0,0,0,0,1,0,0,1,

%U 0,0,1,0,0,0,1,0,0,0,0,0,1,0,0,1,0,0,1,0,0,0,1,0,0,1,0,0,0,1,0,0,1,0,0,0,1,0,0,1,0,0,0,0,0,0,1,0,0,0,1,0,0,0,0,1

%N a(n) = A105801(n) mod 2.

%H N. J. A. Sloane, <a href="/A181663/b181663.txt">Table of n, a(n) for n = 1..3000</a>

%Y Cf. A105801

%K nonn

%O 1,1

%A _N. J. A. Sloane_, Nov 20 2010