A058177 Triangle: Number of commutative quasigroups of order n with k idempotents.

1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 1, 5, 1, 0, 0, 3, 5, 1, 1, 0, 1, 148, 213, 96, 34, 0, 0, 0

Offset

0,12

Links

Table of n, a(n) for n=0..27.

Index entries for sequences related to quasigroups

Example

1; 0,1; 0,1,0; 1,1,0,1; 1,5,1,0,0; ...

Crossrefs

Row sums give A057992.

Sequence in context: A269129 A320606 A343016 * A345373 A204619 A228077

Adjacent sequences: A058174 A058175 A058176 * A058178 A058179 A058180

Keyword

nonn,tabl,more

Author

Christian G. Bower, Nov 20 2000

Status

approved