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A206054 T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the number of clockwise edge increases in every 2X2 subblock equal to one 9
48, 255, 255, 1338, 2310, 1338, 7041, 20400, 20400, 7041, 37020, 180195, 295392, 180195, 37020, 194691, 1590378, 4256868, 4256868, 1590378, 194691, 1023822, 14037225, 61165512, 99399924, 61165512, 14037225, 1023822, 5384085, 123893883 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Table starts

......48........255.........1338...........7041............37020

.....255.......2310........20400.........180195..........1590378

....1338......20400.......295392........4256868.........61165512

....7041.....180195......4256868.......99399924.......2308027074

...37020....1590378.....61165512.....2308027074......86276125692

..194691...14037225....878480541....53518920690....3216834301377

.1023822..123893883..12614174310..1240395191991..119812800012048

.5384085.1093502865.181122252378.28744156779339.4461032943350559

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..220

EXAMPLE

Some solutions for n=4 k=3

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

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

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

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

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

CROSSREFS

Sequence in context: A157913 A181773 A052683 * A206047 A223434 A235911

Adjacent sequences:  A206051 A206052 A206053 * A206055 A206056 A206057

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin Feb 03 2012

STATUS

approved

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Last modified December 9 08:41 EST 2021. Contains 349627 sequences. (Running on oeis4.)