n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 1 |
4 | 1 |
5 | 1 |
6 | 1 |
7 | 7 |
8 | 19 |
9 | 47 |
10 | 85 |
11 | 259 |
12 | 857 |
13 | 3329 |
14 | 13923 |
15 | 76419 |
16 | 375879 |
17 | 2500865 |
18 | 15196877 |
19 | 126783213 |
20 | 979497309 |
21 | 10344645479 |
22 | 100578970271 |
[1,1,1,1,1,1,7,19,47,85,259,857,3329,13923,76419, 375879,2500865,15196877,126783213,979497309, 10344645479,100578970271] |