n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 4 |
3 | 8 |
4 | 19 |
5 | 53 |
6 | 209 |
7 | 1253 |
8 | 13599 |
9 | 288267 |
10 | 12293435 |
11 | 1031291299 |
12 | 166122463891 |
13 | 50668153831843 |
14 | 29104823811067331 |
15 | 31455590793615376099 |
16 | 64032471295321173271027 |
17 | 245999896624828253856990803 |
18 | 1787823725042236528801735181651 |
19 | 24639597076850046760911809226614419 |
[1,2,4,8,19,53,209,1253,13599,288267,12293435, 1031291299,166122463891,50668153831843, 29104823811067331,31455590793615376099, 64032471295321173271027, 245999896624828253856990803, 1787823725042236528801735181651, 24639597076850046760911809226614419] |