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A221790
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Number of 5 X n arrays of occupancy after each element moves to some horizontal or antidiagonal neighbor, without 2-loops or left turns.
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0
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0, 0, 0, 41, 744, 13682, 252538, 6854851, 164812860, 3910715845, 93559893342, 2237836782957, 53523158868734, 1280239234256052, 30622982026043674, 732499733448014272, 17521416005086345402
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OFFSET
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1,4
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COMMENTS
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LINKS
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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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