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A234756
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Number of (n+1)X(4+1) 0..3 arrays with 2X2 edge jumps all no more than +1 in one of the clockwise or counterclockwise directions or both
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1
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80010, 15939010, 2683721676, 469243923298, 81436516016562, 14155719250115192, 2459819737238954066, 427468816063895627714, 74284713081666378716324, 12909093718494739038921470, 2243322903467332769441789170
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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=1
..3..2..2..0..1....2..1..1..2..1....2..1..2..1..1....1..2..3..3..2
..3..2..1..1..2....0..1..2..1..2....1..2..1..2..1....2..1..3..3..2
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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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