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Search: id:A148573
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| A148573 |
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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, 1), (0, 0, -1), (0, 1, -1), (1, 0, 1)} |
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+0
1
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| 1, 1, 3, 6, 20, 49, 172, 484, 1732, 5162, 18965, 59680, 220777, 715673, 2685204, 8953384, 33734326, 114539085, 435187894, 1503531596, 5729591256, 20035479823, 76771639039, 271669011838, 1043251861255, 3723452781558, 14354596419363, 51678596017672, 199560683860979, 723042091109072, 2800255744221056
(list; graph; listen)
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