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Search: id:A059231
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| A059231 |
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Number of different lattice paths running from (0,0) to (n,0) using steps from S={(k,k) or (k,-k): k positive integer} that never go below x-axis. |
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17
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| 1, 1, 5, 29, 185, 1257, 8925, 65445, 491825, 3768209, 29324405, 231153133, 1841801065, 14810069497, 120029657805, 979470140661, 8040831465825, 66361595715105, 550284185213925, 4582462506008253, 38306388126997785
(list; graph; listen)
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