login
A174556
Number of 3 X n Latin rectangles whose second row contains two cycles.
4
12, 240, 10480, 535080, 34634544
OFFSET
4,1
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
Sequence in context: A282789 A012542 A009166 * A012349 A012302 A012543
KEYWORD
nonn,more,uned
AUTHOR
Vladimir Shevelev, Mar 22 2010
STATUS
approved