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A206842
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Number of 4Xn 0..3 arrays avoiding the pattern z-2 z-1 z in any row, column, nw-to-se diagonal or ne-to-sw antidiagonal
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1
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241, 58081, 11086238, 2152805235, 418964575189, 81562078260316, 15877946803718090, 3091067307303254867, 601761995188912369335, 117150369608909238252579, 22806723149404940748682374
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