A097548 - OEIS

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A097548

Number of isotopy classes of Latin squares of order n containing no 2 X 2 Latin subsquare.

2

1, 0, 1, 0, 1, 1, 4, 14, 9802

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OFFSET

1,7

LINKS

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

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

Index entries for sequences related to Latin squares and rectangles

CROSSREFS

Cf. A000611, A097549.

Sequence in context: A161741 A186509 A323085 * A218047 A344938 A261711

Adjacent sequences: A097545 A097546 A097547 * A097549 A097550 A097551

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane, Aug 28 2004

STATUS

approved