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Search: id:A148874
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| A148874 |
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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, 0, 1), (0, 1, -1), (0, 1, 1), (1, -1, 0)} |
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+0
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| 1, 1, 3, 8, 29, 97, 356, 1345, 5312, 20951, 84910, 349614, 1456834, 6106706, 25935852, 111040569, 477930029, 2069560858, 9025183157, 39530097395, 173797714040, 767680927436, 3404799777699, 15144014386727, 67566885275210, 302450951239750, 1357363670407487, 6105291074781927, 27528978458057805
(list; graph; listen)
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