n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 13 |
4 | 73 |
5 | 501 |
6 | 4051 |
7 | 37633 |
8 | 394353 |
9 | 4777993 |
10 | 62569891 |
11 | 893927541 |
12 | 13827333433 |
13 | 234241234813 |
14 | 4212828738483 |
15 | 80727388033321 |
16 | 1641227208417121 |
17 | 35581993575319953 |
18 | 810641581182744643 |
19 | 19416795485684156893 |
20 | 487647253209539939241 |
[1,1,3,13,73,501,4051,37633,394353,4777993, 62569891,893927541,13827333433,234241234813, 4212828738483,80727388033321,1641227208417121, 35581993575319953,810641581182744643, 19416795485684156893,487647253209539939241] |