1,2

S. E. Bammel and J. Rothstein, The number of 9x9 Latin squares, Discrete Math., 11 (1975), 93-95.

J. W. Brown, Enumeration of Latin squares with application to order 8, J. Combin. Theory, 5 (1968), 177-184.

J. Riordan, An Introduction to Combinatorial Analysis, Wiley, 1958, p. 210.

H. J. Ryser, Combinatorial Mathematics. Mathematical Association of America, Carus Mathematical Monograph 14, 1963, p. 53.

N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

M. B. Wells, The number of Latin squares of order 8, J. Combin. Theory, 3 (1967), 98-99.

B. D. McKay and I. M. Wanless, On the number of Latin squares. Preprint 2004. http://cs.anu.edu.au/~bdm/papers/ls11.pdf

B. D. McKay and E. Rogoyski, Latin squares of order ten, Electron. J. Combinatorics, 2 (1995) #N3.

T. Sillke, How many Latin Squares of order-N are there?

Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.

Index entries for sequences related to Latin squares and rectangles

Index entries for sequences related to quasigroups

B. D. McKay, I. M. Wanless, On the number of Latin squares, Ann. Combinat. 9 (2005) 335-344.

Equals n!*A000479(n) = n!*(n-1)!*A000315(n). Cf. A003090, A040082, A057991.

Sequence in context: A013147 A050643 A145513 this_sequence A108078 A052129 A141770

Adjacent sequences: A002857 A002858 A002859 this_sequence A002861 A002862 A002863

hard,nonn,nice

N. J. A. Sloane (njas(AT)research.att.com).

One more term (from the McKay-Wanless article) from Richard Bean (rwb(AT)eskimo.com), Feb 17 2004