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Search: id:A149246
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| A149246 |
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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), (1, 0, -1), (1, 1, 1)} |
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+0
1
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| 1, 1, 4, 11, 38, 116, 440, 1453, 5450, 18714, 71816, 253494, 972292, 3492890, 13529192, 49328285, 191161466, 703792642, 2742710728, 10191899732, 39738557836, 148580923814, 581445525832, 2187826760962, 8565364278692, 32366865951050, 127044352702056, 482288980929490, 1893726046847320
(list; graph; listen)
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