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A221809 T(n,k)=Number of nXk arrays of occupancy after each element moves to some horizontal, vertical or antidiagonal neighbor, without move-in move-out straight through or left turns 9

%I #4 Jan 26 2013 06:57:49

%S 0,1,1,0,10,0,1,34,41,1,0,214,154,233,0,1,1016,3906,3426,1156,1,0,

%T 5429,32636,197048,30716,6048,0,1,27535,486331,5873327,6328365,437374,

%U 30973,1,0,142858,5202774,239116581,462706496,247277805,4798574,159968,0,1

%N T(n,k)=Number of nXk arrays of occupancy after each element moves to some horizontal, vertical or antidiagonal neighbor, without move-in move-out straight through or left turns

%C Table starts

%C .0......1........0..........1...........0...........1.............0

%C .1.....10.......34........214........1016........5429.........27535

%C .0.....41......154.......3906.......32636......486331.......5202774

%C .1....233.....3426.....197048.....5873327...239116581....8354914378

%C .0...1156....30716....6328365...462706496.54679689449.5044723744009

%C .1...6048...437374..247277805.52282482444

%C .0..30973..4798574.8830682187

%C .1.159968.60643243

%C .0.823413

%C .1

%H R. H. Hardin, <a href="/A221809/b221809.txt">Table of n, a(n) for n = 1..60</a>

%e Some solutions for n=3 k=4

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

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

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

%K nonn,tabl

%O 1,5

%A _R. H. Hardin_ Jan 26 2013

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Last modified April 23 22:36 EDT 2024. Contains 371917 sequences. (Running on oeis4.)