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Number of nonisomorphic relations with a nontrivial symmetry.
0

%I #4 Mar 30 2012 17:37:00

%S 0,0,4,34,580,23702

%N Number of nonisomorphic relations with a nontrivial symmetry.

%Y Equals A000595-A030242.

%K nonn,more

%O 0,3

%A _Christian G. Bower_