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A223033 T(n,k)=Number of nXk 0..2 arrays with exactly floor(nXk/2) elements equal to at least one king-move neighbor, with new values introduced in row major 0..2 order 6
1, 0, 0, 0, 6, 0, 6, 16, 16, 6, 16, 58, 45, 58, 16, 16, 136, 472, 472, 136, 16, 40, 352, 820, 1341, 820, 352, 40, 280, 768, 11680, 6472, 6472, 11680, 768, 280, 768, 1752, 18827, 15374, 13319, 15374, 18827, 1752, 768, 1440, 3680, 297604, 60497, 219912, 219912 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,5

COMMENTS

Table starts

.....1.....0.......0......6......16......16......40.....280......768....1440

.....0.....6......16.....58.....136.....352.....768....1752.....3680....7904

.....0....16......45....472.....820...11680...18827..297604...476311.7843888

.....6....58.....472...1341....6472...15374...60497..142610...499278.1229381

....16...136.....820...6472...13319..219912..332851.8050444.11698029

....16...352...11680..15374..219912..308384.2955464.4938602

....40...768...18827..60497..332851.2955464

...280..1752..297604.142610.8050444

...768..3680..476311.499278

..1440..7904.7843888

..3808.16256

.16352

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..84

EXAMPLE

Some solutions for n=3 k=4

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

..2..2..1..2....1..1..1..1....2..2..2..2....2..2..2..2....2..1..1..1

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

CROSSREFS

Column 1 is A222884

Sequence in context: A141462 A055955 A165071 * A237444 A222918 A280480

Adjacent sequences:  A223030 A223031 A223032 * A223034 A223035 A223036

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin Mar 12 2013

STATUS

approved

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Last modified November 12 05:52 EST 2019. Contains 329051 sequences. (Running on oeis4.)