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A203796 T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with every 2X2 subblock having equal diagonal elements or equal antidiagonal elements 9
112, 784, 784, 5488, 10576, 5488, 38416, 142192, 142192, 38416, 268912, 1911952, 3784288, 1911952, 268912, 1882384, 25708528, 101071600, 101071600, 25708528, 1882384, 13176688, 345682576, 2700695728, 5426653360, 2700695728, 345682576 (list; table; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Table starts
......112.........784...........5488.............38416...............268912
......784.......10576.........142192...........1911952.............25708528
.....5488......142192........3784288.........101071600...........2700695728
....38416.....1911952......101071600........5426653360.........292394880208
...268912....25708528.....2700695728......292394880208.......31960919852416
..1882384...345682576....72168659104....15768587718160.....3504288958063120
.13176688..4648124656..1928524187248...850544485943152...384592800378103840
.92236816.62499715984.51534966781936.45880025360206384.42221697503213865232
LINKS
EXAMPLE
Some solutions for n=4 k=3
..1..2..3..2....1..1..3..2....0..0..3..0....1..2..1..3....1..1..1..3
..3..1..2..1....0..1..1..3....1..0..0..0....2..3..2..1....3..1..2..1
..3..3..1..1....1..3..1..1....2..1..0..0....0..2..1..1....0..3..1..1
..3..1..3..1....1..1..1..1....3..2..1..0....1..0..2..1....3..1..0..1
..3..3..1..1....0..1..0..1....2..3..2..1....0..3..0..2....1..0..2..0
CROSSREFS
Sequence in context: A205250 A047631 A264891 * A203789 A211448 A206318
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Jan 05 2012
STATUS
approved

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Last modified April 18 22:18 EDT 2024. Contains 371782 sequences. (Running on oeis4.)