Cheers, six comments,
just the additions of the following %Y-lines:

Yours,

Antti


%I A003986
%S A003986 0,1,1,2,1,2,3,3,3,3,4,3,2,3,4,5,5,3,3,5,5,6,5,6,3,6,5,6,7,7,7,7,7,7,7,7,
%Y A003986 Cf. A003987 (XOR) & A004198 (AND). Cf. also A075173, A075175.

%I A003987
%S A003987 0,1,1,2,0,2,3,3,3,3,4,2,0,2,4,5,5,1,1,5,5,6,4,6,0,6,4,6,7,7,7,7,7,7,7,7,
%Y A003987 Cf. A003986 (OR) & A004198 (AND).


%I A004198
%S A004198 0,0,0,0,1,0,0,0,0,0,0,1,2,1,0,0,0,2,2,0,0,0,1,0,3,0,1,0,0,0,0,0,0,0,0,0,
%Y A004198 Cf. A003986 (OR) & A003987 (XOR). Cf. also A075173, A075175.


%I A003989
%S A003989 1,1,1,1,2,1,1,1,1,1,1,2,3,2,1,1,1,1,1,1,1,1,2,1,4,1,2,1,1,1,3,1,1,3,1,1,
%Y A003989 A(x,y) = A075174(A004198(A075173(x),A075173(y))) = A075176(A004198(A075175(x),A075175(y))).

%I A003990
%S A003990 1,2,2,3,2,3,4,6,6,4,5,4,3,4,5,6,10,12,12,10,6,7,6,15,4,15,6,7,8,14,6,20,
%Y A003990 A(x,y) = A075174(A003986(A075173(x),A075173(y))) = A075176(A003986(A075175(x),A075175(y)))

%I A059884
%S A059884 0,1,2,4,8,3,128,5,32,9,32768,6,2147483648,129,10,16,
%Y A059884 Cf. A075173, A075300, A075302.