A350022 Number of idempotent semisymmetric Latin squares of order n.

1, 0, 1, 2, 0, 0, 480, 0, 2274048, 757555200, 4693077997977600

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