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A350018
Number of unipotent commutative loops of order 2n.
0
1, 1, 1, 7, 3460, 6320290037, 15859695832489637513
OFFSET
1,4
LINKS
Brendan D. McKay and Ian M. Wanless, Enumeration of Latin squares with conjugate symmetry, J. Combin. Des. 30 (2022), 105-130.
CROSSREFS
Sequence in context: A218141 A172956 A236368 * A055307 A052496 A216935
KEYWORD
nonn,more
AUTHOR
Ian Wanless, Dec 08 2021
STATUS
approved