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A264198
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Number of (4+1)X(n+1) arrays of permutations of 0..n*5+4 with each element having index change +-(.,.) 0,0 0,2 or 2,1.
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1
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8, 360, 19845, 395280, 10764800, 324210304, 9863496016, 279809075700, 8157568320000, 238979576637900, 7001055126046864, 204177934975626752, 5968556502961102848, 174493143469741118400, 5100928646184033070545
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