A000611 - OEIS

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A000611

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

1, 0, 1, 0, 6, 40, 17760, 2096640, 29659631400 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,5`
	REFERENCES	`B. D. McKay and I. M. Wanless, Most Latin squares have many subsquares, J. Combin. Theory A 86 (1999), 323-347.`
	LINKS	`B. D. McKay and E. Rogoyski, Latin squares of order ten, Electron. J. Combinatorics, 2 (1995) #N3.` `Index entries for sequences related to Latin squares and rectangles`
	CROSSREFS	`Cf. A097548, A097549.` `Sequence in context: A086803 A136382 A096716 * A043069 A135232 A196433` `Adjacent sequences: A000608 A000609 A000610 * A000612 A000613 A000614`
	KEYWORD	`nonn`
	AUTHOR	`Brendan McKay (bdm(AT)cs.anu.edu.au)`

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Last modified February 14 14:47 EST 2012. Contains 205623 sequences.