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A001568 Related to 3-line Latin rectangles.
(Formerly M2171 N0867)
+0
1
1, 1, 2, 49, 629, 6961, 38366, 1899687, 133065253, 6482111309 (list; graph; listen)
OFFSET

1,3

REFERENCES

S. M. Kerawala, The asymptotic number of three-deep Latin rectangles, Bull. Calcutta Math. Soc., 39 (1947), 71-72.

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).

LINKS

Index entries for sequences related to Latin squares and rectangles

CROSSREFS

Sequence in context: A041287 A057563 A028479 this_sequence A088067 A145676 A027619

Adjacent sequences: A001565 A001566 A001567 this_sequence A001569 A001570 A001571

KEYWORD

nonn

AUTHOR

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

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.


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