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Search: id:A037189
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| A037189 |
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Number of ways of placing 4n points on 2n X 2n grid so no 3 are in a line (solutions with either 90 degree rotational symmetry or full symmetry). |
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+0
3
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| 0, 0, 3, 4, 6, 4, 13, 13, 7, 16, 8, 23, 36, 58, 92, 101, 172, 281, 337, 541, 746
(list; graph; listen)
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