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A205415
T(n,k)=Number of (n+2)X(k+2) 0..2 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically or nw-to-se diagonally exactly two ways, and new values 0..2 introduced in row major order
9
468, 3868, 3868, 33322, 44596, 33322, 236576, 549414, 549414, 236576, 1820215, 5686031, 10331386, 5686031, 1820215, 14452683, 64878898, 151598017, 151598017, 64878898, 14452683, 109757792, 768581101, 2553087985, 2839359056, 2553087985
OFFSET
1,1
COMMENTS
Table starts
.......468........3868..........33322.........236576........1820215
......3868.......44596.........549414........5686031.......64878898
.....33322......549414.......10331386......151598017.....2553087985
....236576.....5686031......151598017.....2839359056....67792717447
...1820215....64878898.....2553087985....67792717447..2520131261396
..14452683...768581101....45661264026..1715387177450.98445276297551
.109757792..8606465750...735422130329.36803297869771
.844627201.98080551694.12286397087182
LINKS
EXAMPLE
Some solutions for n=3 k=3
..0..0..0..1..2....0..0..0..1..0....0..1..1..0..1....0..1..0..2..1
..2..0..0..1..2....0..0..2..1..0....1..1..1..1..1....2..2..2..2..2
..1..0..1..1..1....2..0..2..1..0....2..2..1..0..0....0..0..0..2..2
..0..0..0..0..0....1..0..2..2..2....0..0..0..0..0....2..0..2..2..1
..2..0..1..1..0....1..0..2..1..0....1..1..1..0..1....1..0..2..2..2
CROSSREFS
Sequence in context: A114135 A043364 A054756 * A205408 A282116 A281061
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Jan 26 2012
STATUS
approved