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A233488
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T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with no increasing sequence of length 3 horizontally, diagonally downwards or vertically
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6
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172952, 8254896, 8254896, 386906152, 1328621536, 386906152, 18116531520, 208066125583, 208066125583, 18116531520, 846914338316, 32519299606118, 107592918949238, 32519299606118, 846914338316, 39587056212137
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OFFSET
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1,1
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COMMENTS
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Table starts
.......172952..........8254896............386906152..............18116531520
......8254896.......1328621536.........208066125583...........32519299606118
....386906152.....208066125583......107592918949238........55442546308058920
..18116531520...32519299606118....55442546308058920.....94038386779753884364
.846914338316.5070020645309648.28457838067515915868.158651203925316697808911
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LINKS
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R. H. Hardin, Table of n, a(n) for n = 1..60
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FORMULA
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Empirical for column k:
k=1: [linear recurrence of order 60]
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EXAMPLE
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Some solutions for n=1 k=4
..1..1..0..0..0..0....0..0..0..0..0..0....0..0..0..0..0..0....0..0..0..0..0..0
..2..1..0..0..0..0....2..3..0..0..0..0....2..0..0..0..0..0....2..0..0..0..0..0
..2..1..3..3..1..1....2..3..2..3..2..3....0..3..2..2..0..0....2..3..1..3..2..2
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CROSSREFS
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Sequence in context: A242980 A221742 A239789 * A233483 A251117 A076814
Adjacent sequences: A233485 A233486 A233487 * A233489 A233490 A233491
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KEYWORD
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nonn,tabl
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AUTHOR
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R. H. Hardin, Dec 11 2013
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STATUS
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approved
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