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A264316
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Number of (3+1)X(n+1) arrays of permutations of 0..n*4+3 with each element having directed index change 0,0 0,1 1,0 -1,-2 or 0,2.
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1
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1, 68, 1032, 11206, 130041, 1605061, 18898817, 221713421, 2603590141, 30590068274, 358629316808, 4202604203316, 49240804480589, 576952221011516, 6759580424358381, 79191080974685751, 927729156804024461
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