n | a(n) |
---|---|
1 | 8 |
2 | 21 |
3 | 89 |
4 | 296 |
5 | 1105 |
6 | 3897 |
7 | 14128 |
8 | 50533 |
9 | 181937 |
10 | 652944 |
11 | 2346977 |
12 | 8429681 |
13 | 30288280 |
14 | 108807669 |
15 | 390915337 |
16 | 1404388408 |
17 | 5045461169 |
18 | 18126337449 |
19 | 65121053504 |
20 | 233954670533 |
21 | 840509324641 |
22 | 3019625618976 |
23 | 10848352515265 |
[8,21,89,296,1105,3897,14128,50533,181937,652944, 2346977,8429681,30288280,108807669,390915337, 1404388408,5045461169,18126337449,65121053504, 233954670533,840509324641,3019625618976, 10848352515265] |