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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
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Last modified May 7 03:31 EDT 2024. Contains 372300 sequences. (Running on oeis4.)