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A210276
T(n,k)=Half the number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock having two or three distinct clockwise edge differences
9
35, 273, 273, 2130, 5558, 2130, 16620, 113248, 113248, 16620, 129684, 2307956, 6028871, 2307956, 129684, 1011912, 47036870, 321050788, 321050788, 47036870, 1011912, 7895856, 958632858, 17097482699, 44678808183, 17097482699, 958632858
OFFSET
1,1
COMMENTS
Table starts
.......35..........273.............2130................16620
......273.........5558...........113248..............2307956
.....2130.......113248..........6028871............321050788
....16620......2307956........321050788..........44678808183
...129684.....47036870......17097482699........6218088462292
..1011912....958632858.....910532241954......865403655856588
..7895856..19537398722...48490791961375...120443009719061218
.61610640.398181683100.2582399328204990.16762728653468925176
LINKS
EXAMPLE
Some solutions for n=4 k=3
..2..1..0..2....2..0..1..2....0..1..0..2....0..2..2..0....2..0..1..2
..2..0..0..2....0..2..1..0....2..2..0..1....0..1..0..2....2..1..1..1
..1..0..1..2....2..2..2..1....2..0..2..1....1..2..2..2....1..2..1..2
..0..0..0..2....2..0..1..2....2..1..1..1....1..2..0..2....2..2..0..1
..2..2..0..2....0..2..2..2....1..2..2..2....1..2..1..1....0..2..2..1
CROSSREFS
Sequence in context: A220929 A251931 A267627 * A210269 A219575 A219711
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Mar 19 2012
STATUS
approved