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A223431
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5X5X5 triangular graph without horizontal edges coloring a rectangular array: number of nX7 0..14 arrays where 0..14 label nodes of a graph with edges 0,1 0,2 1,3 1,4 2,4 2,5 3,6 3,7 4,7 4,8 5,8 5,9 6,10 6,11 7,11 7,12 8,12 8,13 9,13 9,14 and every array movement to a horizontal or vertical neighbor moves along an edge of this graph
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1
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10052, 3613024, 1575629948, 707293805988, 325249041493488, 149616234350273816, 69480486701806161900, 32146056288289912125792, 14967181981562004391914308, 6936817035714720741320651808
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