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Search: id:A150567
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| A150567 |
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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, 0, 0), (0, 0, 1), (1, -1, 1), (1, 0, 1), (1, 1, -1)} |
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| 1, 2, 7, 26, 107, 457, 2016, 9065, 41424, 191529, 894019, 4204565, 19897098, 94641154, 452107980, 2167676408, 10425903303, 50282484818, 243082789531, 1177611502760, 5715528217575, 27786221354972, 135284133335976, 659545295681644, 3219346412950448, 15731435487175994, 76949340577947377
(list; graph; listen)
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