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A350019 Number of isotopism classes containing semisymmetric Latin squares of order n. 2
1, 1, 1, 2, 2, 7, 33, 557, 26511, 3908091, 1867909542 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,4

LINKS

Table of n, a(n) for n=1..11.

Brendan D. McKay and Ian M. Wanless, Enumeration of Latin squares with conjugate symmetry, J. Combin. Des. 30 (2022), 105-130.

CROSSREFS

Cf. A076016 A076017.

Sequence in context: A067352 A240978 A242032 * A298440 A317808 A326909

Adjacent sequences: A350016 A350017 A350018 * A350020 A350021 A350022

KEYWORD

nonn

AUTHOR

Ian Wanless, Dec 08 2021

STATUS

approved

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Last modified December 5 02:30 EST 2022. Contains 358572 sequences. (Running on oeis4.)