n | a(n) |
---|---|
0 | 1 |
1 | 5 |
2 | 21 |
3 | 69 |
4 | 277 |
5 | 1349 |
6 | 5141 |
7 | 16453 |
8 | 65813 |
9 | 329029 |
10 | 1381397 |
11 | 4538437 |
12 | 18088213 |
13 | 88081733 |
14 | 335549461 |
15 | 1073758277 |
16 | 4295033109 |
17 | 21475165509 |
18 | 90195694613 |
19 | 296357281861 |
20 | 1189724029205 |
21 | 5793998964037 |
22 | 22080762418197 |
23 | 70666170679365 |
[1,5,21,69,277,1349,5141,16453,65813,329029, 1381397,4538437,18088213,88081733,335549461, 1073758277,4295033109,21475165509,90195694613, 296357281861,1189724029205,5793998964037, 22080762418197,70666170679365] |