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A174556
Number of 3 X n Latin rectangles whose second row contains two cycles.
4
12, 240, 10480, 535080, 34634544
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OFFSET
4,1
LINKS
Table of n, a(n) for n=4..8.
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
Cf.
A000186
,
A094047
.
Sequence in context:
A282789
A012542
A009166
*
A012349
A012302
A012543
Adjacent sequences:
A174553
A174554
A174555
*
A174557
A174558
A174559
KEYWORD
nonn
,
more
,
uned
AUTHOR
Vladimir Shevelev
, Mar 22 2010
STATUS
approved
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Last modified March 28 08:22 EDT 2024. Contains 371236 sequences. (Running on oeis4.)