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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

%I #4 Mar 12 2013 04:11:42

%S 1,0,0,0,6,0,6,16,16,6,16,58,45,58,16,16,136,472,472,136,16,40,352,

%T 820,1341,820,352,40,280,768,11680,6472,6472,11680,768,280,768,1752,

%U 18827,15374,13319,15374,18827,1752,768,1440,3680,297604,60497,219912,219912

%N 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

%C Table starts

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

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

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

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

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

%C ....16...352...11680..15374..219912..308384.2955464.4938602

%C ....40...768...18827..60497..332851.2955464

%C ...280..1752..297604.142610.8050444

%C ...768..3680..476311.499278

%C ..1440..7904.7843888

%C ..3808.16256

%C .16352

%H R. H. Hardin, <a href="/A223033/b223033.txt">Table of n, a(n) for n = 1..84</a>

%e Some solutions for n=3 k=4

%e ..0..1..1..0....0..1..2..0....0..1..2..0....0..1..0..1....0..1..0..2

%e ..2..2..1..2....1..1..1..1....2..2..2..2....2..2..2..2....2..1..1..1

%e ..1..0..1..0....2..0..1..2....1..0..2..0....2..0..2..0....1..0..2..1

%Y Column 1 is A222884

%K nonn,tabl

%O 1,5

%A _R. H. Hardin_ Mar 12 2013

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Last modified April 24 18:05 EDT 2024. Contains 371962 sequences. (Running on oeis4.)