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A208869
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Number of nX5 0..3 arrays with new values 0..3 introduced in row major order and no element equal to more than one of its immediate leftward or upward or right-upward antidiagonal neighbors
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1
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51, 24472, 14493405, 8624977114, 5134914951163, 3057224057476808, 1820216057105650386, 1083724145919960847502, 645230025599333921071976, 384158448692090971917060268, 228721088397696942173901117684
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OFFSET
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1,1
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COMMENTS
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Column 5 of A208872
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LINKS
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R. H. Hardin, Table of n, a(n) for n = 1..210
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FORMULA
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Empirical: a(n) = 698*a(n-1) -64930*a(n-2) +2349972*a(n-3) -40985428*a(n-4) +382137700*a(n-5) -2071312484*a(n-6) +7427716824*a(n-7) -22247002672*a(n-8) +65755191408*a(n-9) -163887803568*a(n-10) +277785052512*a(n-11) -285817496832*a(n-12) +164238606720*a(n-13) -46819296000*a(n-14) +4897760256*a(n-15) for n>16
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EXAMPLE
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Some solutions for n=4
..0..0..1..2..0....0..0..0..0..0....0..0..0..0..0....0..1..1..0..0
..3..3..0..1..0....1..1..2..1..0....1..1..1..2..0....0..2..0..1..2
..1..2..1..2..0....2..3..1..3..3....2..0..2..0..1....1..1..3..1..0
..0..1..0..3..2....1..2..3..0..1....2..1..3..0..0....0..1..0..2..3
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CROSSREFS
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Sequence in context: A202886 A223059 A208861 * A208876 A208172 A200798
Adjacent sequences: A208866 A208867 A208868 * A208870 A208871 A208872
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KEYWORD
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nonn
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AUTHOR
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R. H. Hardin Mar 02 2012
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STATUS
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approved
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