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Search: id:A149030
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| A149030 |
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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, 0, 1), (0, 1, 1), (1, -1, 0), (1, 0, -1)} |
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| 1, 1, 3, 10, 33, 124, 478, 1876, 7653, 31520, 131923, 560361, 2397177, 10362660, 45122797, 197619125, 871134632, 3857758844, 17160398867, 76658932408, 343609269081, 1545368262356, 6971119129314, 31529648390000, 142971072421910, 649780474978174, 2959380924404418, 13505223883964250
(list; graph; listen)
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