n | a(n) |
---|---|
0 | 1 |
1 | 10 |
2 | 70 |
3 | 440 |
4 | 2675 |
5 | 16106 |
6 | 96720 |
7 | 580440 |
8 | 3482805 |
9 | 20897050 |
10 | 125382586 |
11 | 752295880 |
12 | 4513775735 |
13 | 27082654970 |
14 | 162495930500 |
15 | 974975583816 |
16 | 5849853503865 |
17 | 35099121024330 |
18 | 210594726147310 |
19 | 1263568356885400 |
20 | 7581410141314171 |
[1,10,70,440,2675,16106,96720,580440,3482805, 20897050,125382586,752295880,4513775735, 27082654970,162495930500,974975583816, 5849853503865,35099121024330,210594726147310, 1263568356885400,7581410141314171] |