n | a(n) |
---|---|
1 | 1 |
2 | 13 |
3 | 108 |
4 | 793 |
5 | 5611 |
6 | 39312 |
7 | 274933 |
8 | 1923025 |
9 | 13455396 |
10 | 94169413 |
11 | 659134543 |
12 | 4613813568 |
13 | 32296413241 |
14 | 226074381637 |
15 | 1582520088348 |
16 | 11077641280225 |
17 | 77543496352291 |
18 | 542804506787088 |
19 | 3799631657379853 |
20 | 26597421924762793 |
[1,13,108,793,5611,39312,274933,1923025,13455396, 94169413,659134543,4613813568,32296413241, 226074381637,1582520088348,11077641280225, 77543496352291,542804506787088,3799631657379853, 26597421924762793] |