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A030261
Number of nonisomorphic commutative groupoids with no idempotents and no symmetry.
2
1, 0, 1, 35, 13776, 83306272
(list; graph; refs; listen; history; text; internal format)
OFFSET
0,4
LINKS
Table of n, a(n) for n=0..5.
Index entries for sequences related to groupoids
CROSSREFS
Sequence in context: A202066 A271071 A249889 * A345675 A007102 A196542
Adjacent sequences: A030258 A030259 A030260 * A030262 A030263 A030264
KEYWORD
nonn,more
AUTHOR
Christian G. Bower
STATUS
approved

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Last modified September 28 13:00 EDT 2024. Contains 376297 sequences.
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