n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 8 |
3 | 63 |
4 | 628 |
5 | 7405 |
6 | 103266 |
7 | 1630195 |
8 | 28812344 |
9 | 561715353 |
10 | 11971270270 |
11 | 276322667071 |
12 | 6867229990644 |
13 | 182651988444133 |
14 | 5174629835814362 |
15 | 155498722020145995 |
16 | 4938797154614179696 |
17 | 165259917542803746097 |
18 | 5809661798192528407542 |
19 | 214032701720169039806551 |
20 | 8244827039453943163648940 |
[1,1,8,63,628,7405,103266,1630195,28812344, 561715353,11971270270,276322667071,6867229990644, 182651988444133,5174629835814362, 155498722020145995,4938797154614179696, 165259917542803746097,5809661798192528407542, 214032701720169039806551, 8244827039453943163648940] |