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Search: id:A026671
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| A026671 |
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Number of lattice paths from (0,0) to (n,n), n >= 1, with steps (0,1), (1,0) and, when on the diagonal, (1,1). |
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10
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| 1, 3, 11, 43, 173, 707, 2917, 12111, 50503, 211263, 885831, 3720995, 15652239, 65913927, 277822147, 1171853635, 4945846997, 20884526283, 88224662549, 372827899079, 1576001732485, 6663706588179, 28181895551161, 119208323665543
(list; graph; listen)
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