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A205466
T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with the number of clockwise edge increases in every 2X2 subblock differing from each horizontal or vertical neighbor
9
256, 2120, 2120, 17920, 34792, 17920, 151824, 597288, 597288, 151824, 1285076, 10306944, 22414008, 10306944, 1285076, 10876432, 177411808, 843904488, 843904488, 177411808, 10876432, 92062852, 3053150968, 31625643196
OFFSET
1,1
COMMENTS
Table starts
.......256.........2120............17920..............151824
......2120........34792...........597288............10306944
.....17920.......597288.........22414008...........843904488
....151824.....10306944........843904488.........69248994984
...1285076....177411808......31625643196.......5649505038240
..10876432...3053150968....1185601231024.....461355684937208
..92062852..52550629576...44457471151176...37682835967710128
.779221408.904498008200.1666962268642872.3077546846103277112
LINKS
EXAMPLE
Some solutions for n=4 k=3
..0..0..1..2....1..0..2..0....1..0..0..0....0..2..0..3....1..0..0..1
..3..3..0..3....1..2..3..0....0..3..3..2....0..2..1..3....1..2..1..1
..3..3..3..1....0..1..0..2....1..1..0..0....1..3..3..0....3..0..0..3
..0..2..1..1....3..2..1..1....1..1..3..1....2..2..0..0....0..0..0..3
..3..3..3..2....1..3..1..1....1..3..0..1....2..2..2..1....3..2..2..0
CROSSREFS
Sequence in context: A236451 A236445 A205954 * A205459 A237076 A237069
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Jan 27 2012
STATUS
approved