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Search: id:A148160
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| A148160 |
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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), (0, 0, -1), (1, 0, 0)} |
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+0
1
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| 1, 1, 2, 4, 11, 31, 86, 246, 736, 2276, 7240, 22690, 72285, 234747, 771123, 2566400, 8493635, 28334539, 95604553, 324278488, 1108220193, 3778047729, 12939669749, 44644265673, 154504166115, 537300462031, 1866279782528, 6502091763142, 22768475794159, 79893282232247, 281289871201986, 989741714280930
(list; graph; listen)
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