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Search: id:A068751
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| A068751 |
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Number of potential flows in n X n array with integer velocities in -4..4, i.e. number of n X n arrays with adjacent elements differing by no more than 4, counting arrays differing by a constant only once. |
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| 1, 489, 9230193, 6913624013061, 207345516734034667209
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