n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 7 |
4 | 37 |
5 | 133 |
6 | 2431 |
7 | 27007 |
8 | 176761 |
9 | 5329837 |
10 | 12994393 |
11 | 866792053 |
12 | 5213746711 |
13 | 841146804577 |
14 | 10532583170701 |
15 | 569600638022431 |
16 | 16539483668991901 |
17 | 3333075288160853 |
18 | 16955228098102446847 |
19 | 932411737877492011 |
20 | 10996483739066355827053 |
21 | 66024590609554132070857 |
[1,1,1,7,37,133,2431,27007,176761,5329837, 12994393,866792053,5213746711,841146804577, 10532583170701,569600638022431,16539483668991901, 3333075288160853,16955228098102446847, 932411737877492011,10996483739066355827053, 66024590609554132070857] |