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Search: id:A148162
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| A148162 |
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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, 1), (0, 0, -1), (1, 0, 0)} |
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+0
1
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| 1, 1, 2, 4, 11, 31, 91, 267, 813, 2557, 8236, 26786, 87847, 291227, 977068, 3308866, 11278661, 38653717, 133227658, 461825572, 1608935543, 5628584683, 19762998641, 69637415101, 246214217449, 873256171561, 3105884952236, 11074941003322, 39586724293339, 141826521919151, 509214076570561, 1831934157570821
(list; graph; listen)
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