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Search: id:A149301
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| A149301 |
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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), (1, -1, 1), (1, 0, -1), (1, 1, 0)} |
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+0
1
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| 1, 1, 4, 11, 46, 168, 731, 2979, 13401, 57661, 265461, 1181726, 5522830, 25155711, 118893172, 550284353, 2622755672, 12286768851, 58931031929, 278651004826, 1343265798651, 6397648075135, 30966476881123, 148352084091735, 720436718946511, 3467981145821313, 16888078807378942, 81615427515075795
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