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A264270
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Number of (n+1)X(6+1) arrays of permutations of 0..n*7+6 with each element having index change +-(.,.) 0,0 1,0 or 1,2.
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1
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442, 32000, 4861800, 600090240, 80568542340, 10563801093680, 1398071103483637, 184549492112860840, 24385615337150116761, 3221323854569532915840, 425580239886807520132066, 56223231572414176702873320
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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..2..3..4.12..6....7..8.11.12..4..5.13....0..1..2..3..4.12..6
.16..8..9.19.11..5.20....0..1.18.19..2..3..6...14.15..9.10.20..5.13
.14.15..7.17.18.10.13...14.15.16.17..9.10.20....7..8.16.17.18.19.11
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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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