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Search: id:A153366
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| A153366 |
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Number of zig-zag paths from top to bottom of a rectangle of width 9 with 2n-1 rows whose color is that of the top right corner |
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6
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| 5, 16, 56, 200, 720, 2600, 9400, 34000, 123000, 445000, 1610000, 5825000, 21075000, 76250000, 275875000, 998125000, 3611250000, 13065625000, 47271875000, 171031250000, 618796875000, 2238828125000, 8100156250000, 29306640625000
(list; graph; listen)
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