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Search: id:A149655
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| A149655 |
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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, 1, 1), (1, -1, 1), (1, 1, -1), (1, 1, 1)} |
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+0
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| 1, 1, 5, 15, 75, 289, 1445, 6095, 30475, 135117, 675585, 3087987, 15439935, 72008619, 360043095, 1703029437, 8515147185, 40694381623, 203471908115, 979988489573, 4899942447865, 23742016308033, 118710081540165, 577930415357795, 2889652076788975, 14121788791089079, 70608943955445395, 346141784385418635
(list; graph; listen)
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