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URL: https://oeis.org/A266493

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A266493
T(n,k)=Number of nXk arrays containing k copies of 0..n-1 with no element 1 greater than its north, west, northwest or northeast neighbor modulo n and the upper left element equal to 0.
5
1, 1, 0, 1, 0, 1, 1, 0, 1, 2, 1, 0, 1, 4, 9, 1, 0, 1, 25, 187, 44, 1, 0, 1, 133, 8088, 7400, 265, 1, 0, 4, 1094, 475606, 3488445, 573865, 1854, 1, 0, 13, 9358, 34126530, 2418377365, 3542542406, 58849205, 14833, 1, 0, 43, 101927, 2913831633, 2055719492942
OFFSET
1,10
COMMENTS
Table starts
......1..........1.............1..............1.............1..........1
......0..........0.............0..............0.............0..........0
......1..........1.............1..............1.............1..........4
......2..........4............25............133..........1094.......9358
......9........187..........8088.........475606......34126530.2913831633
.....44.......7400.......3488445.....2418377365.2055719492942
....265.....573865....3542542406.33167761148947
...1854...58849205.5666837887756
..14833.8029423880
.133496
LINKS
EXAMPLE
Some solutions for n=4 k=4
..0..3..2..1....0..0..3..3....0..0..3..3....0..0..3..3....0..3..2..2
..2..2..1..0....2..2..2..1....0..3..2..2....3..3..2..2....2..2..1..0
..1..1..0..3....2..1..1..0....2..2..1..1....2..2..1..1....1..1..0..0
..0..3..3..2....1..0..3..3....1..1..0..3....1..1..0..0....1..3..3..3
CROSSREFS
Column 1 is A000166(n-1).
Sequence in context: A165519 A266972 A339650 * A075374 A293024 A292948
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Dec 30 2015
STATUS
approved