%I A107766
%S A107766 1,0,1,4,46,2284,1405428,229798671816
%N A107766 Number of self-dual monotonic Boolean functions on n variables (where 
               the result depends on all n variables).
%D A107766 Hans-J. Bandelt and Jarmila Hedl\'{\i}kov\'a, Median algebras, Discrete 
               Mathematics, 45 (1983), 1-30.
%F A107766 A001206(n)=Sum[Binomial[n, k]a[k], {k, n}]
%Y A107766 Cf. A001206, A107765.
%Y A107766 Sequence in context: A002077 A113096 A135078 this_sequence A065777 A141040 
               A006422
%Y A107766 Adjacent sequences: A107763 A107764 A107765 this_sequence A107767 A107768 
               A107769
%K A107766 hard,nonn
%O A107766 1,4
%A A107766 Donald E Knuth, Jun 11 2005
%E A107766 Two more terms from Vladeta Jovovic (vladeta(AT)eunet.rs), Jun 13 2005