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Search: id:A149247
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| A149247 |
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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, 0), (1, 0, -1), (1, 1, 1)} |
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| 1, 1, 4, 11, 38, 116, 440, 1453, 5530, 18794, 72792, 257238, 992644, 3549594, 13853496, 50447453, 196718714, 721500978, 2829371848, 10503154516, 41147601932, 153417689174, 603530012488, 2267966093122, 8917294536916, 33615803655530, 132535696401192, 502544406495538, 1980452388616776
(list; graph; listen)
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