n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 13 |
3 | 57 |
4 | 263 |
5 | 1233 |
6 | 5869 |
7 | 28201 |
8 | 136471 |
9 | 664031 |
10 | 3244373 |
11 | 15904999 |
12 | 78180131 |
13 | 385141745 |
14 | 1900808447 |
15 | 9395586359 |
16 | 46502309921 |
17 | 230413447773 |
18 | 1142763706389 |
19 | 5672369968137 |
20 | 28176421469243 |
21 | 140049400473211 |
22 | 696494762630355 |
23 | 3465512981413485 |
24 | 17250679866579039 |
25 | 85903957507564797 |
[1,3,13,57,263,1233,5869,28201,136471,664031, 3244373,15904999,78180131,385141745,1900808447, 9395586359,46502309921,230413447773,1142763706389, 5672369968137,28176421469243,140049400473211, 696494762630355,3465512981413485, 17250679866579039,85903957507564797] |