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 A221303 T(n,k)=Number of nXk arrays of occupancy after each element stays put or moves to some horizontal or vertical neighbor, with no occupancy greater than 2 8
 1, 3, 3, 7, 19, 7, 17, 137, 137, 17, 41, 1001, 2899, 1001, 41, 99, 7305, 63285, 63285, 7305, 99, 239, 53291, 1388449, 4119299, 1388449, 53291, 239, 577, 388741, 30470039, 270434991, 270434991, 30470039, 388741, 577, 1393, 2835697, 668597561 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Table starts .....1..........3.............7...............17.................41 .....3.........19...........137.............1001...............7305 .....7........137..........2899............63285............1388449 ....17.......1001.........63285..........4119299..........270434991 ....41.......7305.......1388449........270434991........53074198285 ....99......53291......30470039......17788952657.....10441043545431 ...239.....388741.....668597561....1170461488239...2055191230733819 ...577....2835697...14670167777...77011254247993.404558715308586615 ..1393...20685009..321884724335.5066792859597385 ..3363..150886255.7062604183157 ..8119.1100633309 .19601 LINKS R. H. Hardin, Table of n, a(n) for n = 1..83 EXAMPLE Some solutions for n=3 k=4 ..0..1..1..0....1..1..0..1....0..1..1..1....2..1..0..1....2..0..2..0 ..2..0..1..2....1..0..1..1....2..1..2..0....1..0..1..2....0..1..1..2 ..0..1..2..2....2..0..2..2....2..0..0..2....0..2..0..2....2..0..1..1 CROSSREFS Column 1 is A001333 Sequence in context: A032029 A058571 A058492 * A221378 A221269 A202047 Adjacent sequences:  A221300 A221301 A221302 * A221304 A221305 A221306 KEYWORD nonn,tabl AUTHOR R. H. Hardin Jan 09 2013 STATUS approved

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Last modified July 6 11:37 EDT 2022. Contains 355110 sequences. (Running on oeis4.)