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URL: https://oeis.org/A198485

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A198485
T(n,k)=Number of 2nX2k 0..3 arrays with values 0..3 introduced in row major order and each element equal to an even number of horizontal and vertical neighbors.
4
5, 193, 193, 10072, 333308, 10072, 528283, 579476701, 579476701, 528283, 27711478, 1007486056500, 33408897045776, 1007486056500, 27711478, 1453628917, 1751630302786777, 1926147852876420067, 1926147852876420067
OFFSET
1,1
COMMENTS
Table starts
..........5..............193...............10072..............528283
........193...........333308...........579476701.......1007486056500
......10072........579476701......33408897045776.1926147852876420067
.....528283....1007486056500.1926147852876420067
...27711478.1751630302786777
.1453628917
LINKS
EXAMPLE
Some solutions for n=3 k=3
..0..0..0..0..1..2....0..0..0..1..0..2....0..0..0..1..0..1....0..0..0..1..2..1
..0..2..3..0..2..1....0..2..0..0..2..3....0..2..0..0..2..0....0..2..0..0..0..0
..0..0..2..0..1..0....0..0..2..0..0..2....0..0..2..0..0..1....0..0..2..1..2..0
..1..0..1..0..2..1....1..0..1..3..0..1....1..0..1..2..0..2....1..0..1..2..3..0
..0..0..0..0..1..3....0..0..0..0..0..3....0..0..0..0..0..1....0..0..0..0..0..0
..0..0..2..3..0..1....0..0..2..3..1..0....0..0..2..1..3..2....0..0..2..3..2..3
CROSSREFS
Sequence in context: A015102 A086124 A211505 * A177192 A100760 A240702
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Oct 25 2011
STATUS
approved