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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 (list; table; graph; refs; listen; history; text; internal format)
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

R. H. Hardin, Table of n, a(n) for n = 1..60

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

Adjacent sequences:  A205412 A205413 A205414 * A205416 A205417 A205418

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin Jan 26 2012

STATUS

approved

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Last modified November 27 16:35 EST 2021. Contains 349394 sequences. (Running on oeis4.)