n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 5 |
4 | 19 |
5 | 79 |
6 | 333 |
7 | 1441 |
8 | 6351 |
9 | 28451 |
10 | 129185 |
11 | 593373 |
12 | 2752427 |
13 | 12876343 |
14 | 60684533 |
15 | 287857209 |
16 | 1373286375 |
17 | 6584979659 |
18 | 31719337353 |
19 | 153416338549 |
20 | 744777567043 |
21 | 3627787084319 |
[1,1,1,5,19,79,333,1441,6351,28451,129185,593373, 2752427,12876343,60684533,287857209,1373286375, 6584979659,31719337353,153416338549,744777567043, 3627787084319] |