n | a(n) |
---|---|
1 | 0 |
2 | 1 |
3 | 5 |
4 | 27 |
5 | 194 |
6 | 1865 |
7 | 22875 |
8 | 342391 |
9 | 6053444 |
10 | 123456789 |
11 | 2853116705 |
12 | 73686780563 |
13 | 2103299351334 |
14 | 65751519677857 |
15 | 2234152501943159 |
16 | 81985529216486895 |
17 | 3231407272993502984 |
18 | 136146740744970718253 |
19 | 6106233505124424657789 |
20 | 290464265927977839335179 |
[0,1,5,27,194,1865,22875,342391,6053444,123456789, 2853116705,73686780563,2103299351334, 65751519677857,2234152501943159,81985529216486895, 3231407272993502984,136146740744970718253, 6106233505124424657789,290464265927977839335179] |