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Search: id:A000573
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| A000573 |
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Number of 4 X n normalized Latin rectangles. |
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+0
3
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| 4, 56, 6552, 1293216, 420909504, 207624560256, 147174521059584, 143968880078466048, 188237563987982390784, 320510030393570671051776, 695457005987768649183581184, 1888143905499961681708381310976, 6314083806394358817244705266941952, 25655084790196439186603345691314159616
(list; graph; listen)
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OFFSET
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4,1
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REFERENCES
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P. G. Doyle, The number of Latin rectangles, (2007), arXiv:math/0703896v1 [math.CO]. [From Douglas Stones (douglas.stones(AT)sci.monash.edu.au), Apr 01 2009]
S. M. Kerawala, The enumeration of the Latin rectangle of depth three by means of a difference equation, Bull. Calcutta Math. Soc., 33 (1941), 119-127.
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LINKS
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Douglas Stones, Table of n, K(4,n) for n=4..80
B. D. McKay and E. Rogoyski, Latin squares of order ten, Electron. J. Combinatorics, 2 (1995) #N3.
Douglas Stones, Doyle's formula for the number of reduced 6xn Latin rectangles
Douglas Stones, Enumeration Of Latin Squares And Rectangles
Index entries for sequences related to Latin squares and rectangles
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CROSSREFS
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Cf. A003170, A001009.
Sequence in context: A158262 A089035 A089516 this_sequence A070019 A056075 A000315
Adjacent sequences: A000570 A000571 A000572 this_sequence A000574 A000575 A000576
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KEYWORD
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nonn,nice
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AUTHOR
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Brendan McKay (bdm(AT)cs.anu.edu.au) and Eric Rogoyski
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