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 A221087 T(n,k)=Number of nXk arrays of occupancy after each element moves to some horizontal or antidiagonal neighbor 13
 0, 1, 0, 2, 4, 0, 4, 24, 16, 0, 8, 169, 270, 64, 0, 16, 1155, 6889, 3024, 256, 0, 32, 7921, 154440, 279841, 33858, 1024, 0, 64, 54288, 3538161, 20489472, 11363641, 379080, 4096, 0, 128, 372100, 80655102, 1572836281, 2714713664, 461433361, 4244238 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,4 COMMENTS Table starts .0.......1............2...................4.......................8 .0.......4...........24.................169....................1155 .0......16..........270................6889..................154440 .0......64.........3024..............279841................20489472 .0.....256........33858............11363641..............2714713664 .0....1024.......379080...........461433361............359601021696 .0....4096......4244238.........18736955689..........47632473997312 .0...16384.....47519136........760832274049........6309330479063040 .0...65536....532031490......30894332043289......835724490894491648 .0..262144...5956705656....1254494297783281...110698808144126017536 .0.1048576..66692184462...50939956897994761.14662997339235235397632 .0.4194304.746695862640.2068466324059544161 LINKS R. H. Hardin, Table of n, a(n) for n = 1..126 EXAMPLE Some solutions for n=3 k=4 ..0..1..2..0....1..1..1..0....0..1..1..0....1..1..0..1....0..2..1..1 ..1..3..1..1....0..4..0..0....0..3..3..0....1..3..1..0....2..1..1..1 ..0..1..2..0....2..1..2..0....0..2..2..0....1..0..2..1....1..0..1..1 CROSSREFS Column 2 is A000302(n-1) Row 1 is A000079(n-2) Sequence in context: A079985 A059226 A221655 * A279580 A197513 A097666 Adjacent sequences:  A221084 A221085 A221086 * A221088 A221089 A221090 KEYWORD nonn,tabl AUTHOR R. H. Hardin Jan 01 2013 STATUS approved

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Last modified January 22 05:19 EST 2022. Contains 350481 sequences. (Running on oeis4.)