| 数据
|
1, 1, 2, 3, 6, 10, 20, 35, 56, 84, 210, 330, 495, 715, 1001, 3003, 4368, 6188, 8568, 11628, 15504, 54264, 74613, 100947, 134596, 177100, 230230, 296010, 1184040, 1560780, 2035800, 2629575, 3365856, 4272048, 5379616, 6724520, 30260340,38608020,48903492
|