%I
%S 1,3,3,9,15,45,45,135,255,765,765,2295,3825,11475,11475,34425,
%T 65535,196605,196605,589815,983025,2949075,2949075,8847225,
%U 16711425,50134275,50134275,150402825,250671375,752014125,752014125
%N Inverse modulo 2 binomial transform of (2)^n.
%C (2)^n may be retrieved as sum{k=0..n, mod(binomial(n,k),2)*a(k)}.
%F a(n)=sum{k=0..n, (1)^A010060(nk)*mod(binomial(n, k), 2)(2)^k}.
%K easy,sign
%O 0,2
%A _Paul Barry_, Dec 06 2004
%E Definition corrected by _N. J. A. Sloane_, Dec 20 2019
