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 A221609 T(n,k)=Number of nXk arrays of occupancy after each element moves to some horizontal or antidiagonal neighbor, without move-in move-out left turns 13
 0, 1, 0, 2, 2, 0, 4, 10, 4, 0, 8, 53, 54, 8, 0, 16, 269, 811, 287, 16, 0, 32, 1378, 11344, 12270, 1522, 32, 0, 64, 7057, 160999, 472974, 184193, 8072, 64, 0, 128, 36152, 2286878, 18561474, 19521328, 2764070, 42810, 128, 0, 256, 185192, 32522604 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,4 COMMENTS Table starts .0....1........2............4..............8...............16................32 .0....2.......10...........53............269.............1378..............7057 .0....4.......54..........811..........11344...........160999...........2286878 .0....8......287........12270.........472974.........18561474.........730077217 .0...16.....1522.......184193.......19521328.......2114436826......229719706276 .0...32.....8072......2764070......804371949.....240257613761....72063803799931 .0...64....42810.....41480899....33145684280...27294219603383.22596355738886108 .0..128...227042....622510123..1365843685939.3100806305382481 .0..256..1204112...9342086217.56282519118170 .0..512..6385980.140197824897 .0.1024.33867896 .0.2048 LINKS R. H. Hardin, Table of n, a(n) for n = 1..95 EXAMPLE Some solutions for n=3 k=4 ..1..1..1..1....0..2..2..1....1..2..1..0....0..3..1..1....0..2..1..1 ..0..3..1..0....0..1..1..0....0..2..1..1....0..1..2..0....0..1..1..1 ..1..1..2..0....1..2..2..0....1..1..2..0....1..1..2..0....2..1..2..0 CROSSREFS Sequence in context: A099087 A009545 A084102 * A160125 A151868 A344913 Adjacent sequences: A221606 A221607 A221608 * A221610 A221611 A221612 KEYWORD nonn,tabl AUTHOR R. H. Hardin Jan 20 2013 STATUS approved

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Last modified March 31 11:51 EDT 2023. Contains 361648 sequences. (Running on oeis4.)