A058171 - OEIS

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A058171

Number of quasigroups of order n, considered to be equivalent when they are isomorphic or anti-isomorphic (by reversal of the operator).

1

1, 1, 1, 4, 24, 746, 567207

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OFFSET

0,4

LINKS

Table of n, a(n) for n=0..6.

Index entries for sequences related to quasigroups

CROSSREFS

a(n)=(A057991(n)+A057993)/2.

Sequence in context: A228191 A012989 A347480 * A196866 A326794 A223005

Adjacent sequences: A058168 A058169 A058170 * A058172 A058173 A058174

KEYWORD

nonn,more

AUTHOR

Christian G. Bower, Nov 20 2000

STATUS

approved