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A198596
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T(n,k) = Number of 2n X 2k 0..3 arrays with values 0..3 introduced in row major order and each element equal to an odd number of horizontal and vertical neighbors.
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2
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2, 17, 17, 272, 2684, 272, 4667, 511661, 511661, 4667, 80702, 101749556, 1208560656, 101749556, 80702, 1397477, 20489929961, 3082580273539, 3082580273539, 20489929961, 1397477, 24207692, 4142124332044, 8057520048724340
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OFFSET
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1,1
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COMMENTS
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Table starts:
.......2..........17...........272..........4667............80702.......1397477
......17........2684........511661.....101749556......20489929961.4142124332044
.....272......511661....1208560656.3082580273539.8057520048724340
....4667...101749556.3082580273539
...80702.20489929961
.1397477
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LINKS
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EXAMPLE
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Some solutions for n=2, k=2:
..0..1..2..3....0..1..0..2....0..0..1..1....0..1..2..2....0..1..2..2
..0..1..2..3....0..1..0..2....1..1..2..2....0..1..3..3....0..1..0..0
..2..2..1..0....3..0..1..0....2..0..1..1....3..0..2..1....2..3..3..2
..0..0..1..0....3..0..1..0....2..0..3..3....3..0..2..1....2..0..0..2
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CROSSREFS
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KEYWORD
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AUTHOR
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STATUS
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approved
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