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A264141
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Number of (n+1)X(7+1) arrays of permutations of 0..n*8+7 with each element having index change +-(.,.) 0,0 1,-2 or 1,1.
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1
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832, 90000, 20768650, 3798503424, 758116015189, 147813083354689, 29086230347332416, 5708414855075340816, 1121408818216873313530, 220236879426948300870144, 43257308993366137748332485
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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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EXAMPLE
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Some solutions for n=2
..0..1.11..9..4..5..6..7....0.10..8..3..4..5.15..7....0..1..2..9.10..5.15..7
..8..3.10..2.18.13.20.21....2.18..1.11.12.13.20..6....8..3..4.11.12.13.23..6
.16.17.12.19.14.15.22.23...16.17..9.19.14.21.22.23...16.17.18.19.20.21.22.14
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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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