n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 5 |
3 | 34 |
4 | 222 |
5 | 1622 |
6 | 12559 |
7 | 100904 |
8 | 835322 |
9 | 7070574 |
10 | 60922335 |
11 | 532566850 |
12 | 4711614912 |
13 | 42106192680 |
14 | 379544358032 |
15 | 3446755447528 |
16 | 31504896429042 |
17 | 289619348156494 |
18 | 2675953520657839 |
19 | 24836797229730316 |
20 | 231461661673958896 |
21 | 2165002179076830442 |
[1,2,5,34,222,1622,12559,100904,835322,7070574, 60922335,532566850,4711614912,42106192680, 379544358032,3446755447528,31504896429042, 289619348156494,2675953520657839, 24836797229730316,231461661673958896, 2165002179076830442] |