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Search: id:A148459
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| A148459 |
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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, 0), (0, -1, 1), (0, 0, 1), (1, 1, -1)} |
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| 1, 1, 2, 6, 18, 57, 198, 709, 2601, 9864, 38148, 149808, 598372, 2419970, 9889001, 40838480, 170083988, 713613807, 3015878875, 12823991428, 54829658278, 235678930783, 1017743418774, 4413589486399, 19218488856579, 83989136588578, 368284554761549, 1620125911384969, 7147971908460116
(list; graph; listen)
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