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A350022 Number of idempotent semisymmetric Latin squares of order n. 2
1, 0, 1, 2, 0, 0, 480, 0, 2274048, 757555200, 4693077997977600 (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. A076021, A350023, A350024.

Sequence in context: A228073 A306936 A027652 * A348264 A127282 A138954

Adjacent sequences:  A350019 A350020 A350021 * A350023 A350024 A350025

KEYWORD

nonn,more

AUTHOR

Ian Wanless, Dec 08 2021

STATUS

approved

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Last modified October 1 04:31 EDT 2022. Contains 357134 sequences. (Running on oeis4.)