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

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

R. H. Hardin, Table of n, a(n) for n = 1..71

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

Adjacent sequences: A205932 A205933 A205934 * A205936 A205937 A205938

Keyword

nonn,tabl

Author

R. H. Hardin Feb 01 2012

Status

approved