A030251 Number of nonisomorphic groupoids with no idempotents and no symmetry.

1, 0, 1, 969, 56615456

Offset

0,4

Links

Table of n, a(n) for n=0..4.

Index entries for sequences related to groupoids

Crossrefs

Sequence in context: A035759 A107555 A175991 * A252196 A345538 A345790

Adjacent sequences: A030248 A030249 A030250 * A030252 A030253 A030254

Keyword

nonn,more

Author

Christian G. Bower

Status

approved