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Search: id:A054759
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| A054759 |
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Number of Eulerian orientations of the n X n square lattice (with wrap-around), i.e. number of arrow configurations on n X n grid that satisfy the square ice rule. |
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+0
2
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| 4, 18, 148, 2970, 143224, 16448400, 4484823396, 2901094068042, 4448410550095612, 16178049740086515288, 139402641051212392498528, 2849295959501939989625992464, 137950545200232788276834783781648
(list; graph; listen)
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