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Search: id:A145925
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| A145925 |
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Number of n X n binary arrays with all ones connected only in a tee 1,1 1,2 1,3 2,2 in any orientation. |
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| 1, 1, 9, 33, 404, 7941, 262632, 14831415, 1538127410, 275592188347, 87279885007004, 48561755814534966, 47514836691753883015, 81822578894266356858585
(list; graph; listen)
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