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A259892
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Number of (n+2)X(6+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000000 00000001 or 00000011
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1
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2212, 13704, 151483, 954624, 5055255, 36899517, 265544204, 1657505754, 10777787104, 74223540333, 493525981009, 3224220550323, 21513589812308, 143942550183867, 952854630337292, 6317108715977706, 42075784020262790
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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 84 (see link above)
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EXAMPLE
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Some solutions for n=3
..1..0..0..1..0..0..0..1....0..0..0..0..0..0..0..1....0..0..0..0..1..0..0..1
..0..0..0..0..0..0..1..0....0..0..0..0..1..0..0..0....1..0..0..0..0..0..0..0
..0..0..0..0..0..0..0..0....0..0..0..0..0..0..0..0....0..0..0..0..0..0..0..0
..0..0..0..0..0..0..0..0....0..0..0..0..0..0..0..1....0..0..0..0..1..0..0..0
..0..0..1..1..0..0..0..1....0..1..1..0..0..0..0..0....1..1..0..0..1..0..0..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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