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A141713
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Column 0 of triangle A141712.
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3
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1, 1, 2, 6, 26, 162, 1454, 18854, 354258, 9671546, 384587782, 22323926270, 1895288347354, 235764308325666, 43040024112901598, 11547470030266126198, 4559235319260902237410, 2652214835190976783549066
(list; graph; refs; listen; history; internal format)
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