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A206197 T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with the number of clockwise edge increases in every 2X2 subblock equal to two 9
124, 1012, 1012, 8304, 18172, 8304, 68180, 329216, 329216, 68180, 559788, 5972392, 13173864, 5972392, 559788, 4596072, 108363344, 527945420, 527945420, 108363344, 4596072, 37735460, 1966171084, 21162670972, 46704516192, 21162670972 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Table starts

.......124.........1012.............8304...............68180

......1012........18172...........329216.............5972392

......8304.......329216.........13173864...........527945420

.....68180......5972392........527945420.........46704516192

....559788....108363344......21162670972.......4131608458140

...4596072...1966171084.....848327900384.....365468694266436

..37735460..35674679732...34006136221640...32327015669963752

.309822148.647289744976.1363171550451384.2859398851677838652

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..144

EXAMPLE

Some solutions for n=4 k=3

..2..2..1..2....1..0..0..0....1..1..2..0....3..0..1..0....2..3..1..1

..0..3..2..0....0..3..2..1....3..2..0..3....1..2..2..1....2..1..3..2

..2..0..3..1....1..0..3..2....0..3..1..0....0..1..0..3....3..2..0..3

..3..2..0..2....3..1..0..3....1..0..2..1....2..2..1..0....0..3..1..0

..0..3..1..0....0..2..1..0....3..2..3..2....0..3..2..1....1..0..2..1

CROSSREFS

Sequence in context: A038859 A206085 A206078 * A206190 A251381 A251374

Adjacent sequences:  A206194 A206195 A206196 * A206198 A206199 A206200

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin Feb 04 2012

STATUS

approved

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Last modified September 28 21:22 EDT 2021. Contains 347717 sequences. (Running on oeis4.)