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A165384
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Number of slanted nX7 (i=1..n)X(j=i..7+i-1) 1..4 arrays with all 1s connected, all 2s connected, all 3s connected, all 4s connected, 1 in the upper left corner, 2 in the upper right corner, 3 in the lower left corner, 4 in the lower right corner, and with no element having more than 3 neighbors with the same value
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0
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481, 18912, 196082, 1357468, 7051772, 30346872, 113675050, 385459632, 1210822319, 3585582454, 10137294012
(list; graph; refs; listen; history; internal format)
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