A030245 Number of nonisomorphic groupoids with no symmetry.

1, 1, 6, 3237, 178932325

Offset

0,3

Links

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

Index entries for sequences related to groupoids

Crossrefs

a(n) = A079171(n, A027423(n)). Cf. A001329.

Sequence in context: A274083 A079183 A373236 * A247965 A172955 A283885

Adjacent sequences: A030242 A030243 A030244 * A030246 A030247 A030248

Keyword

nonn,more

Author

Christian G. Bower

Status

approved