n | a(n) |
---|---|
1 | 1 |
2 | 7 |
3 | 55 |
4 | 455 |
5 | 3876 |
6 | 33649 |
7 | 296010 |
8 | 2629575 |
9 | 23535820 |
10 | 211915132 |
11 | 1917334783 |
12 | 17417133617 |
13 | 158753389900 |
14 | 1451182990950 |
15 | 13298522298180 |
16 | 122131734269895 |
17 | 1123787895356412 |
18 | 10358022441395860 |
19 | 95615237915961100 |
20 | 883829035553043580 |
21 | 8179808679272664720 |
22 | 75788358475481302185 |
[1,7,55,455,3876,33649,296010,2629575,23535820, 211915132,1917334783,17417133617,158753389900, 1451182990950,13298522298180,122131734269895, 1123787895356412,10358022441395860, 95615237915961100,883829035553043580, 8179808679272664720,75788358475481302185] |