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Search: id:A151253
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| A151253 |
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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, 0, 0), (1, 0, 1), (1, 1, 0)} |
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+0
2
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| 1, 4, 19, 91, 445, 2188, 10819, 53644, 266581, 1326646, 6609307, 32953033, 164397313, 820521562, 4096733707, 20459928259, 102203137741, 510621146326, 2551485015379, 12750737780587, 63725988599425, 318514790389294, 1592093707211299, 7958459733327676, 39783873348471745, 198883941062337328
(list; graph; listen)
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