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A223973
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Number of nX6 0..2 arrays with rows and antidiagonals unimodal
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1
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148, 21904, 2026448, 153196498, 10676374380, 715985189481, 47087051658638, 3065213211139220, 198505156112480574, 12821707501426587223, 827061911875686602143, 53312878153050071853965, 3435377864410521923551264
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OFFSET
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1,1
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COMMENTS
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LINKS
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FORMULA
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Empirical recurrence of order 91 (see link above)
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EXAMPLE
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Some solutions for n=3
..0..0..2..0..0..0....0..0..2..2..0..0....0..0..2..2..2..0....0..0..1..2..2..0
..0..0..1..2..2..0....0..0..0..0..0..0....0..0..1..0..0..0....0..0..0..0..2..2
..0..0..2..1..1..1....0..0..1..1..1..0....0..0..0..0..0..0....0..0..0..0..1..0
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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