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A030265 Number of nonisomorphic commutative groupoids with 1 idempotent and a nontrivial symmetry. +0
4
0, 0, 6, 214, 83925 (list; graph; listen)
OFFSET

1,3
LINKS

Index entries for sequences related to groupoids

CROSSREFS

A030263 - A030264.

Sequence in context: A073100 A093536 A002037 this_sequence A007221 A013711 A109354

Adjacent sequences: A030262 A030263 A030264 this_sequence A030266 A030267 A030268

KEYWORD

nonn,more

AUTHOR

Christian G. Bower (bowerc(AT)usa.net)

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

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