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.

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

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: A181773 A396818 A052683 * A206047 A223434 A235911

Adjacent sequences: A206051 A206052 A206053 * A206055 A206056 A206057

Keyword

nonn,tabl

Author

R. H. Hardin, Feb 03 2012

Status

approved