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A097549 Number of main classes of Latin squares of order n containing no 2 X 2 Latin subsquare. 2
1, 0, 1, 0, 1, 1, 2, 3, 1707 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,7

REFERENCES

B. D. McKay and I. M. Wanless, Most Latin squares have many subsquares, J. Combin. Theory A 86 (1999), 323-347.

LINKS

Table of n, a(n) for n=1..9.

Index entries for sequences related to Latin squares and rectangles

CROSSREFS

Cf. A000611, A097548.

Sequence in context: A062920 A228127 A036111 * A323518 A004909 A266585

Adjacent sequences:  A097546 A097547 A097548 * A097550 A097551 A097552

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Aug 28 2004

STATUS

approved

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Last modified May 21 15:32 EDT 2019. Contains 323444 sequences. (Running on oeis4.)