A058178 Triangle: Self-converse quasigroups of order n with k idempotents.
1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 3, 6, 2, 1, 1, 16, 34, 14, 11, 4, 2, 858, 1453, 854, 500, 174, 38, 6
Offset: 0
Examples
1; 0,1; 0,1,0; 1,1,0,1; 3,6,2,1,1; ...
Crossrefs
Row sums give A057993.