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A204525 T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically, diagonally or antidiagonally exactly one way, and new values 0..3 introduced in row major order 4
3700, 99975, 99975, 2838990, 6099132, 2838990, 72357582, 410928067, 410928067, 72357582, 1908820114, 21954021414, 69278097544, 21954021414, 1908820114, 51725097532, 1313498195386, 8625334175897, 8625334175897, 1313498195386 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Table starts

........3700.........99975.......2838990......72357582.......1908820114

.......99975.......6099132.....410928067...21954021414....1313498195386

.....2838990.....410928067...69278097544.8625334175897.1283785888702600

....72357582...21954021414.8625334175897

..1908820114.1313498195386

.51725097532

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..24

EXAMPLE

Some solutions for n=3 k=3

..0..1..0..1..0....0..0..0..0..0....0..0..0..1..1....0..0..0..0..1

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

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

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

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

CROSSREFS

Sequence in context: A035780 A108004 A176386 * A204522 A294088 A252694

Adjacent sequences:  A204522 A204523 A204524 * A204526 A204527 A204528

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin Jan 15 2012

STATUS

approved

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Last modified July 8 00:40 EDT 2020. Contains 335502 sequences. (Running on oeis4.)