%I #6 Jun 13 2013 11:37:37

%S 8,536887296,6760803201217232481859791749120,

%T 301541899055510925582216106793458790276811863115050592580304890195754352640

%N Number of self-complementary 3-place relations on a 2n-element set.

%Y Cf. A047832.

%K nonn

%O 1,1

%A _Vladeta Jovovic_