n | a(n) |
---|---|
0 | 1 |
1 | 4 |
2 | 19 |
3 | 94 |
4 | 469 |
5 | 2344 |
6 | 11719 |
7 | 58594 |
8 | 292969 |
9 | 1464844 |
10 | 7324219 |
11 | 36621094 |
12 | 183105469 |
13 | 915527344 |
14 | 4577636719 |
15 | 22888183594 |
16 | 114440917969 |
17 | 572204589844 |
18 | 2861022949219 |
19 | 14305114746094 |
20 | 71525573730469 |
21 | 357627868652344 |
[1,4,19,94,469,2344,11719,58594,292969,1464844, 7324219,36621094,183105469,915527344,4577636719, 22888183594,114440917969,572204589844, 2861022949219,14305114746094,71525573730469, 357627868652344] |