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Search: id:A060900
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| A060900 |
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Number of walks of length n on square lattice, starting at origin, staying on points with x >= 0, y <= x. |
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+0
8
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| 1, 2, 7, 21, 78, 260, 988, 3458, 13300, 47880, 185535, 680295, 2649570, 9841260, 38470380, 144263925, 565514586, 2136388436, 8392954570, 31893227366, 125515281892, 479240167224, 1888770070824, 7240285271492
(list; graph; listen)
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