%I A046856
%S A046856 630,81729648000,256963707943060088053923840000000,
%T A046856 30978254928194376001814792318154658399137088909801072314160618743948902400000000000000
%N A046856 (2^n)!/4^n.
%D A046856 C. S. Lorens, Invertible Boolean functions, IEEE Trans. Electron. Computers, 
               EC-13 (1964), 529-541.
%Y A046856 Sequence in context: A110904 A058832 A061163 this_sequence A045168 A119504 
               A020387
%Y A046856 Adjacent sequences: A046853 A046854 A046855 this_sequence A046857 A046858 
               A046859
%K A046856 nonn,easy
%O A046856 3,1
%A A046856 N. J. A. Sloane (njas(AT)research.att.com).