

A193783


Number of n X n symmetric 0..4 arrays with no element equal to the sum or difference mod 5 of any two of its horizontal and vertical neighbors


1



5, 32, 172, 2836, 91416, 5932132, 772063340, 201054032608, 104742810130844, 109165192335096960, 227605696416524730032, 949334416935490848158628, 7921224347549868400719029840, 132221576468713050783073932552152
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