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A265863 T(n,k)=Number of nXk arrays containing k copies of 0..n-1 with no element plus any vertical neighbor equal to n-1. 7
1, 1, 0, 1, 2, 2, 1, 0, 22, 8, 1, 6, 152, 384, 48, 1, 0, 1462, 22016, 19080, 240, 1, 20, 13772, 1584088, 11544576, 1019328, 1968, 1, 0, 139144, 124214208, 8616332520, 7521762432, 106546608, 13824, 1, 70, 1431824, 10318543104, 7213744082208 (list; table; graph; refs; listen; history; text; internal format)
OFFSET
1,5
COMMENTS
Table starts
......1...........1..............1..............1.............1
......0...........2..............0..............6.............0
......2..........22............152...........1462.........13772
......8.........384..........22016........1584088.....124214208
.....48.......19080.......11544576.....8616332520.7213744082208
....240.....1019328.....7521762432.71643177829872
...1968...106546608.11355242996304
..13824.11075595648
.140160
LINKS
EXAMPLE
Some solutions for n=3 k=4
..0..2..1..0....0..2..2..0....2..1..0..1....0..2..0..1....0..0..2..1
..0..1..2..0....1..2..1..0....2..2..1..0....1..2..0..2....0..0..1..2
..1..2..2..1....2..1..0..1....2..1..0..0....0..2..1..1....1..1..2..2
CROSSREFS
Column 1 is A173841.
Row 2 is A126869.
Sequence in context: A011265 A357340 A356818 * A083747 A326787 A246271
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Dec 17 2015
STATUS
approved

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Last modified June 18 14:56 EDT 2024. Contains 373481 sequences. (Running on oeis4.)