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Search: id:A149175
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| A149175 |
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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, 0), (0, 0, -1), (1, -1, 0), (1, 1, 0)} |
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+0
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| 1, 1, 4, 10, 35, 117, 429, 1563, 6023, 23289, 92152, 369488, 1502119, 6160145, 25528852, 106682938, 448960587, 1901408027, 8104762740, 34722538926, 149465829383, 646360473228, 2806706370121, 12231645222422, 53492893993153, 234717283187637, 1032901850100970, 4557956790155818, 20167098103048672
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