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Search: id:A075679
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| A075679 |
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Number of free (rotations and reflections count as same shape) polyominoids (shapes made of faces of cubes) with n squares. |
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2
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| 1, 2, 9, 54, 448, 4650, 53611, 655033, 8259635, 106371085, 1391032357, 18412269694
(list; graph; listen)
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