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A207799 T(n,k) = Number of (n+1) X (k+1) 0..3 arrays with every 2 X 3 or 3 X 2 subblock having an unequal number of clockwise and counterclockwise edge increases. 9
256, 2208, 2208, 20800, 37408, 20800, 184416, 643968, 643968, 184416, 1714176, 11074704, 22773384, 11074704, 1714176, 15376544, 190505040, 748331168, 748331168, 190505040, 15376544, 141647296, 3276916896, 26462419832 (list; table; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Table starts
........256.........2208............20800............184416...........1714176
.......2208........37408...........643968..........11074704.........190505040
......20800.......643968.........22773384.........748331168.......26462419832
.....184416.....11074704........748331168.......51169273632.....3518595143968
....1714176....190505040......26462419832.....3518595143968...507960770486000
...15376544...3276916896.....873499447968...242220624640736.68409320823594368
..141647296..56368726448...30836924266632.16680713033508736
.1279043040.969636795792.1019966379785120
LINKS
EXAMPLE
Some solutions for n=4, k=3:
..0..2..2..1....1..3..2..0....3..1..3..1....3..3..2..0....0..1..0..0
..1..0..1..1....0..0..1..1....3..0..2..1....0..2..1..1....0..1..2..0
..2..2..3..0....0..2..1..3....3..3..3..0....3..0..0..1....3..3..1..0
..0..0..0..0....3..2..1..0....1..2..2..2....1..0..2..1....1..3..2..1
..1..2..2..3....2..0..0..2....2..1..3..3....1..0..3..0....0..0..3..3
CROSSREFS
Sequence in context: A346961 A206063 A206056 * A207792 A236500 A236495
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Feb 20 2012
STATUS
approved

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Last modified April 24 14:54 EDT 2024. Contains 371960 sequences. (Running on oeis4.)