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A251332
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Number of (n+1) X (5+1) 0..2 arrays with every 2 X 2 subblock summing to 2 4 or 6.
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1
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14823, 343299, 8863633, 256067697, 8130801167, 277153898751, 9919268234529, 366492859729101, 13818410499799519, 527726879087078783, 20317314698693777405, 786215056471574248785, 30522872581506029645179
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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 77 (see link above).
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EXAMPLE
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Some solutions for n=1
..0..2..0..1..1..2....1..0..0..1..0..1....2..0..1..2..0..1....1..0..2..0..0..0
..0..2..0..1..1..2....1..2..2..1..0..1....0..0..1..0..2..1....1..0..2..0..2..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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