n | a(n) |
---|---|
1 | 4 |
2 | 25 |
3 | 161 |
4 | 1033 |
5 | 6631 |
6 | 42563 |
7 | 273205 |
8 | 1753657 |
9 | 11256431 |
10 | 72253147 |
11 | 463780861 |
12 | 2976931745 |
13 | 19108426759 |
14 | 122653794067 |
15 | 787294181189 |
16 | 5053509615817 |
17 | 32437632650335 |
18 | 208211736387083 |
19 | 1336476297041869 |
20 | 8578617726111793 |
[4,25,161,1033,6631,42563,273205,1753657,11256431, 72253147,463780861,2976931745,19108426759, 122653794067,787294181189,5053509615817, 32437632650335,208211736387083,1336476297041869, 8578617726111793] |