n | a(n) |
---|---|
1 | 2 |
2 | 5 |
3 | 12 |
4 | 33 |
5 | 108 |
6 | 411 |
7 | 1760 |
8 | 8287 |
9 | 42302 |
10 | 231959 |
11 | 1357150 |
12 | 8427205 |
13 | 55288886 |
14 | 381798657 |
15 | 2765917104 |
16 | 20960284309 |
17 | 165729739624 |
18 | 1364153612335 |
19 | 11665484410132 |
20 | 103448316470763 |
21 | 949739632313522 |
22 | 9013431476894667 |
23 | 88304011710168714 |
24 | 891917738589610601 |
[2,5,12,33,108,411,1760,8287,42302,231959,1357150, 8427205,55288886,381798657,2765917104,20960284309, 165729739624,1364153612335,11665484410132, 103448316470763,949739632313522,9013431476894667, 88304011710168714,891917738589610601] |