%I
%S 0,1,0,0,3,2,1,0,0,1,0,2,1,0,0,1,0,1,0,2,1,0,0,1,0,2,1,0,1,0,5,4,3,2,
%T 1,0,0,1,0,7,6,5,4,3,2,1,0,1,0,0,0,0,0,2,1,0,0,1,0,1,0,0,1,0,1,0,2,1,
%U 0,2,1,0,0,0,0,1,0,0,1,0,0,0,0,0,0,1,0,5,4,3,2,1,0
%N Exponent of largest power of 2 dividing A061419(n).
%o (PARI) p=1; for(n=1, 100, p=p+ceil(p/2); print1(valuation(p, 2)", "))
%K nonn,easy
%O 1,5
%A _Ralf Stephan_, Jun 01 2003
