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Search: id:A149875
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| A149875 |
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Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, -1, 1), (-1, 1, -1), (1, 0, 0), (1, 0, 1)} |
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| 1, 2, 5, 13, 45, 150, 548, 1895, 7595, 28565, 115446, 438694, 1862878, 7407410, 31401854, 125165643, 548208863, 2251065516, 9811745632, 40261665482, 179765822208, 753826837023, 3345833966405, 14001164979883, 63337842696640, 269572598312974, 1211822937294886, 5143408328423039
(list; graph; listen)
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