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Search: id:A149267
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| A149267 |
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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), (0, 0, -1), (1, 1, 0)} |
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| 1, 1, 4, 11, 40, 146, 556, 2193, 8782, 35996, 149102, 626514, 2657002, 11364796, 49005900, 212539829, 927754782, 4068514036, 17928721394, 79325129056, 352268070718, 1569846519622, 7016512277212, 31453931008870, 141356729372092, 636840991055262, 2875436365711636, 13009869271150484
(list; graph; listen)
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