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Search: id:A146461
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| A146461 |
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Number of n X n binary arrays with all ones connected only in a 1100-0111-0100 pattern in any orientation. |
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+0 1
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| 1, 1, 1, 17, 49, 361, 6061, 172273, 5274005, 274545571, 26127520797, 3923980431021, 871070091426765
(list; graph; listen)
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