n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 9 |
3 | 42 |
4 | 203 |
5 | 1085 |
6 | 6636 |
7 | 46662 |
8 | 373626 |
9 | 3363129 |
10 | 33632005 |
11 | 369953056 |
12 | 4439438037 |
13 | 57712696301 |
14 | 807977750594 |
15 | 12119666261970 |
16 | 193914660195396 |
17 | 3296549223326577 |
18 | 59337886019884371 |
19 | 1127419834377810364 |
20 | 22548396687556216135 |
21 | 473516330438680549461 |
[1,2,9,42,203,1085,6636,46662,373626,3363129, 33632005,369953056,4439438037,57712696301, 807977750594,12119666261970,193914660195396, 3296549223326577,59337886019884371, 1127419834377810364,22548396687556216135, 473516330438680549461] |