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Search: id:A150566
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| A150566 |
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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, 0), (0, 0, 1), (1, 0, 1), (1, 1, -1)} |
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| 1, 2, 7, 26, 107, 455, 2012, 9074, 41594, 192924, 903470, 4262270, 20231693, 96516302, 462374120, 2222933809, 10719593222, 51828194331, 251155772898, 1219515591916, 5931946148833, 28899291120181, 140988919633962, 688697812814343, 3367946840981885, 16487263285545995, 80786492334172444
(list; graph; listen)
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