n | a(n) |
---|---|
2 | 1 |
3 | 2 |
4 | 3 |
5 | 7 |
6 | 38 |
7 | 66 |
8 | 293 |
9 | 1144 |
10 | 5452 |
11 | 22610 |
12 | 89617 |
13 | 370658 |
14 | 1495184 |
15 | 5933517 |
16 | 23790663 |
17 | 94871091 |
18 | 376066283 |
19 | 1494417598 |
20 | 5930990794 |
21 | 23487622433 |
22 | 93066819110 |
23 | 368664549287 |
24 | 1459293473323 |
25 | 5777177019563 |
26 | 22871054333027 |
[1,2,3,7,38,66,293,1144,5452,22610,89617,370658, 1495184,5933517,23790663,94871091,376066283, 1494417598,5930990794,23487622433,93066819110, 368664549287,1459293473323,5777177019563, 22871054333027] |