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A205935
T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with the number of clockwise edge increases in 2X2 subblocks nondecreasing rightwards and downwards
9
256, 3036, 3036, 32208, 95888, 32208, 319784, 2554260, 2554260, 319784, 3048544, 61330824, 164649752, 61330824, 3048544, 28259556, 1380479280, 9355289120, 9355289120, 1380479280, 28259556, 256692580, 29707151720, 490921163308
OFFSET
1,1
COMMENTS
Table starts
........256...........3036.............32208................319784
.......3036..........95888...........2554260..............61330824
......32208........2554260.........164649752............9355289120
.....319784.......61330824........9355289120.........1235093642064
....3048544.....1380479280......490921163308.......148812223113936
...28259556....29707151720....24368030395844.....16821962566961468
..256692580...618727630440..1161408617136336...1815101219263424368
.2295975140.12572031551824.53673997085581436.189063838791570094396
LINKS
EXAMPLE
Some solutions for n=4 k=3
..0..2..2..1....0..3..2..1....0..1..2..1....0..1..2..3....1..0..1..0
..1..0..3..2....1..0..3..2....1..1..0..2....2..2..0..2....0..0..1..2
..2..1..0..3....2..1..0..3....1..3..1..3....1..0..1..3....0..3..3..0
..0..3..1..0....1..3..2..0....2..0..2..0....2..1..2..0....1..1..0..1
..1..0..2..1....1..0..3..2....1..2..0..1....0..3..1..0....1..0..1..2
CROSSREFS
Sequence in context: A236202 A236199 A188823 * A205928 A235665 A235430
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Feb 01 2012
STATUS
approved