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A264143
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Number of (3+1)X(n+1) arrays of permutations of 0..n*4+3 with each element having index change +-(.,.) 0,0 1,-2 or 1,1.
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1
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8, 125, 1440, 15488, 168948, 1903336, 20768650, 228712964, 2514024565, 27630491593, 304037924437, 3343529124864, 36775469678400, 404510148892477, 4449339039778765, 48939316077898664, 538295657554650689
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