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A296112
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Number of nX5 0..1 arrays with each 1 adjacent to 3 or 4 king-move neighboring 1s.
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1
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1, 8, 26, 64, 503, 2800, 14057, 106920, 726414, 4754059, 34128075, 239110536, 1659205332, 11741639971, 82670906105, 580742887850, 4096686036016, 28868334349248, 203319450955099, 1433261257604415, 10101271316316501
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OFFSET
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1,2
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COMMENTS
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Column 5 of A296115.
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LINKS
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R. H. Hardin, Table of n, a(n) for n = 1..210
R. H. Hardin, Empirical recurrence of order 89
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FORMULA
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Empirical recurrence of order 89 (see link above)
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EXAMPLE
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Some solutions for n=7
..0..0..1..1..0. .0..1..1..0..0. .0..0..0..0..0. .0..0..0..0..0
..0..0..1..1..0. .1..1..0..1..0. .0..1..1..0..0. .1..1..0..1..0
..0..0..0..0..0. .1..0..0..1..1. .0..1..1..0..0. .1..1..1..1..1
..0..0..0..0..0. .1..0..0..1..1. .0..0..1..0..0. .0..0..0..0..1
..0..0..0..1..0. .1..1..0..0..0. .0..1..0..0..0. .1..1..0..0..1
..0..0..1..1..1. .1..1..0..0..0. .1..1..1..0..0. .1..1..0..1..1
..0..0..0..1..0. .0..0..0..0..0. .0..1..0..0..0. .0..0..1..1..0
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CROSSREFS
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Cf. A296115.
Sequence in context: A301647 A050471 A088024 * A051669 A207101 A027004
Adjacent sequences: A296109 A296110 A296111 * A296113 A296114 A296115
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KEYWORD
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nonn
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AUTHOR
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R. H. Hardin, Dec 04 2017
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STATUS
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approved
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