n | a(n) |
---|---|
1 | 7 |
2 | 23 |
3 | 71 |
4 | 311 |
5 | 479 |
6 | 1559 |
7 | 5711 |
8 | 10559 |
9 | 18191 |
10 | 31391 |
11 | 366791 |
12 | 366791 |
13 | 366791 |
14 | 4080359 |
15 | 12537719 |
16 | 30706079 |
17 | 36415991 |
18 | 82636319 |
19 | 120293879 |
20 | 120293879 |
21 | 131486759 |
22 | 131486759 |
23 | 2929911599 |
24 | 2929911599 |
25 | 7979490791 |
26 | 33857579279 |
[7,23,71,311,479,1559,5711,10559,18191,31391, 366791,366791,366791,4080359,12537719,30706079, 36415991,82636319,120293879,120293879,131486759, 131486759,2929911599,2929911599,7979490791, 33857579279] |