login
A174560
Number of 3 X n Latin rectangles whose second row has cycles of even length only.
3
0, 24, 0, 18000, 0, 52254720
OFFSET
3,2
LINKS
V. S. Shevelev, Reduced Latin rectangles and square matrices with equal row and column sums, Diskr. Mat.(J. of the Akademy of Sciences of Russia) 4(1992), 91-110.
CROSSREFS
KEYWORD
nonn,more,uned
AUTHOR
Vladimir Shevelev, Mar 22 2010
STATUS
approved