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A184407 T(n,k)=1/6 the number of (n+2)X(k+2) 0..2 arrays with each 3X3 subblock containing two of one value, three of another, and four of the last 4
1260, 16140, 16140, 201543, 326100, 201543, 2563542, 6361037, 6361037, 2563542, 32546547, 127484430, 190904616, 127484430, 32546547, 414199395, 2555137939, 5944363862, 5944363862, 2555137939, 414199395, 5273355420, 51389641795 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Table starts

.......1260.......16140.......201543......2563542.....32546547.....414199395

......16140......326100......6361037....127484430...2555137939...51389641795

.....201543.....6361037....190904616...5944363862.185205695016.5797874917385

....2563542...127484430...5944363862.289901412506

...32546547..2555137939.185205695016

..414199395.51389641795

.5273355420

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..31

EXAMPLE

Some solutions with a(1,1)=0 for 5X4

..0..0..0..2....0..0..0..0....0..0..0..0....0..0..0..2....0..0..0..2

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

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

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

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

CROSSREFS

Sequence in context: A203402 A047634 A172314 * A184404 A179725 A101469

Adjacent sequences:  A184404 A184405 A184406 * A184408 A184409 A184410

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin Jan 12 2011

STATUS

approved

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Last modified November 17 00:08 EST 2019. Contains 329209 sequences. (Running on oeis4.)