n | a(n) |
---|---|
2 | 3 |
3 | 20 |
4 | 122 |
5 | 774 |
6 | 5247 |
7 | 38198 |
8 | 298139 |
9 | 2485690 |
10 | 22045130 |
11 | 207125874 |
12 | 2053771931 |
13 | 21416863948 |
14 | 234145149539 |
15 | 2676207794512 |
16 | 31898152797430 |
17 | 395584489687982 |
18 | 5093960430643323 |
19 | 67985187315217290 |
20 | 938835976835478467 |
21 | 13394336734762313862 |
22 | 197153821757472332126 |
[3,20,122,774,5247,38198,298139,2485690,22045130, 207125874,2053771931,21416863948,234145149539, 2676207794512,31898152797430,395584489687982, 5093960430643323,67985187315217290, 938835976835478467,13394336734762313862, 197153821757472332126] |