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A225187 a(n) = gcd_{all Latin squares L of order n} n!*n/A(L), where A(L) is the order of the autotopism group of L. 0
1, 1, 1, 1, 2, 4, 6, 6, 24, 96, 240 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,5

COMMENTS

See Browning et al. for definition of autotopism group.

REFERENCES

J. Browning, D. S. Stones and I. M. Wanless, Bounds on the number of autotopisms and subsquares of a Latin square, Combinatorica, 33 (1) (2013), 11-22.

LINKS

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

CROSSREFS

Sequence in context: A278227 A104968 A286894 * A281485 A142473 A132426

Adjacent sequences:  A225184 A225185 A225186 * A225188 A225189 A225190

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane, May 05 2013

STATUS

approved

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Last modified June 21 10:09 EDT 2021. Contains 345360 sequences. (Running on oeis4.)