| 2, 6, 10, 40, 80, 250, 510, 1890, 4270, 13738, 30630, 101960, 234864, 705046, 1580578, 5136840, 11991928, 36095322, 82990606, 255579576, 595920680, 1719038038, 3926998938, 11665004238, 26978093154, 75938910058, 172678519950, 489262646480, 1114189211016
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