n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 1 |
4 | 5 |
5 | 17 |
6 | 49 |
7 | 267 |
8 | 1635 |
9 | 15439 |
10 | 178481 |
11 | 2706563 |
12 | 52897007 |
13 | 1344799359 |
14 | 42695435337 |
15 | 1933850526571 |
16 | 106233098774339 |
[1,1,1,5,17,49,267,1635,15439,178481,2706563, 52897007,1344799359,42695435337,1933850526571, 106233098774339] |