n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 5 |
4 | 16 |
5 | 61 |
6 | 269 |
7 | 1337 |
8 | 7354 |
9 | 44155 |
10 | 286397 |
11 | 1990427 |
12 | 14725738 |
13 | 115356349 |
14 | 952592288 |
15 | 8261093885 |
16 | 74994333994 |
17 | 710656444489 |
18 | 7012302313061 |
19 | 71892455879393 |
20 | 764331907463476 |
21 | 8411953721081635 |
22 | 95684448908132498 |
[1,1,2,5,16,61,269,1337,7354,44155,286397,1990427, 14725738,115356349,952592288,8261093885, 74994333994,710656444489,7012302313061, 71892455879393,764331907463476,8411953721081635, 95684448908132498] |