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A263668
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Number of (n+1)X(2+1) 0..6 arrays with each row and column divisible by 11, read as a base-7 number with top and left being the most significant digits.
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1
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12, 311, 8839, 277563, 8877675, 283980648, 9086924328, 290780258468, 9304960612844, 297758659251901, 9528276948222220, 304904861127956713, 9756955544927083173, 312222577382913349135, 9991122476200058211783
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