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A307852
Number of equivalence classes of rotational row complete Latin squares of order 2n under Gilbert transformations.
1
1, 1, 2, 22, 267
OFFSET
1,3
LINKS
E. N. Gilbert, Latin squares which contain no repeated digrams, SIAM Rev. 7 1965 189--198. MR0179095 (31 #3346).
K. Haymaker and B. Malmskog, What (quilting) circles can be squared?, preprint 2017, to appear in Mathematics Magazine.
PROG
(Python) # See Malmskog link.
CROSSREFS
A141598 is the number of rotational row complete Latin squares of order 2n; the current sequence is the number of equivalence classes of items counted in A141598.
Sequence in context: A072076 A226706 A036841 * A365529 A264836 A135634
KEYWORD
nonn,more
AUTHOR
Beth Malmskog, May 01 2019
STATUS
approved