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A205466 T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with the number of clockwise edge increases in every 2X2 subblock differing from each horizontal or vertical neighbor 9
256, 2120, 2120, 17920, 34792, 17920, 151824, 597288, 597288, 151824, 1285076, 10306944, 22414008, 10306944, 1285076, 10876432, 177411808, 843904488, 843904488, 177411808, 10876432, 92062852, 3053150968, 31625643196 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Table starts

.......256.........2120............17920..............151824

......2120........34792...........597288............10306944

.....17920.......597288.........22414008...........843904488

....151824.....10306944........843904488.........69248994984

...1285076....177411808......31625643196.......5649505038240

..10876432...3053150968....1185601231024.....461355684937208

..92062852..52550629576...44457471151176...37682835967710128

.779221408.904498008200.1666962268642872.3077546846103277112

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..84

EXAMPLE

Some solutions for n=4 k=3

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

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

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

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

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

CROSSREFS

Sequence in context: A236451 A236445 A205954 * A205459 A237076 A237069

Adjacent sequences:  A205463 A205464 A205465 * A205467 A205468 A205469

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin Jan 27 2012

STATUS

approved

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Last modified December 6 13:45 EST 2021. Contains 349563 sequences. (Running on oeis4.)