A350019 Number of isotopism classes containing semisymmetric Latin squares of order n.

1, 1, 1, 2, 2, 7, 33, 557, 26511, 3908091, 1867909542

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