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Search: id:A150757
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| A150757 |
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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, 1), (1, 0, -1), (1, 0, 1), (1, 1, 0)} |
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| 1, 2, 8, 29, 132, 558, 2640, 11875, 57223, 265840, 1294971, 6133682, 30085606, 144312174, 711154466, 3441237378, 17013314950, 82851670157, 410577191021, 2008989349008, 9973036413246, 48978069657381, 243459351386625, 1199080904886102, 5966497845762630, 29453453615540568, 146676039864165129
(list; graph; listen)
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