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Search: id:A148071
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| A148071 |
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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), (-1, 0, 1), (0, 1, -1), (1, 0, 0)} |
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+0
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| 1, 1, 2, 4, 9, 21, 51, 143, 374, 1071, 3095, 8934, 26170, 77812, 239576, 719583, 2245728, 7027771, 21874554, 68780246, 217957471, 699596665, 2221050242, 7204830752, 23364983444, 75490995551, 245743450650, 803146080439, 2641243592039, 8638752159115, 28638848337491, 94831340109958, 313328526209055
(list; graph; listen)
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