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A030249 Number of nonisomorphic idempotent groupoids with a nontrivial symmetry. 0

%I

%S 0,0,2,30,3187

%N Number of nonisomorphic idempotent groupoids with a nontrivial symmetry.

%H <a href="/index/Gre#groupoids">Index entries for sequences related to groupoids</a>

%Y A030247 - A030248.

%K nonn,more

%O 0,3

%A _Christian G. Bower_

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Last modified June 25 10:04 EDT 2022. Contains 354844 sequences. (Running on oeis4.)