n | a(n) |
---|---|
0 | 7 |
1 | 15 |
2 | 37 |
3 | 89 |
4 | 1283 |
5 | 2655 |
6 | 6593 |
7 | 15841 |
8 | 228367 |
9 | 472575 |
10 | 1173517 |
11 | 2819609 |
12 | 40648043 |
13 | 84115695 |
14 | 208879433 |
15 | 501874561 |
16 | 7235123287 |
17 | 14972121135 |
18 | 37179365557 |
19 | 89330852249 |
20 | 1287811297043 |
21 | 2664953446335 |
22 | 6617718189713 |
23 | 15900389825761 |
24 | 229223175750367 |
[7,15,37,89,1283,2655,6593,15841,228367,472575, 1173517,2819609,40648043,84115695,208879433, 501874561,7235123287,14972121135,37179365557, 89330852249,1287811297043,2664953446335, 6617718189713,15900389825761,229223175750367] |