

A233255


Number of nX7 0..5 arrays with no element x(i,j) adjacent to itself or value 5x(i,j) horizontally or antidiagonally, top left element zero, and 1 appearing before 2 3 and 4, and 2 appearing before 3 in row major order (unlabelled 6colorings with no clashing color pairs)


1



528, 1992704, 8050180096, 32835998056448, 134179300927602688, 548491734506604068864, 2242238966451009797226496, 9166394920089108387649814528, 37472795110784044637628292661248
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