n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 11 |
4 | 41 |
5 | 155 |
6 | 587 |
7 | 2225 |
8 | 8435 |
9 | 31979 |
10 | 121241 |
11 | 459659 |
12 | 1742699 |
13 | 6607073 |
14 | 25049315 |
15 | 94969163 |
16 | 360055433 |
17 | 1365073787 |
18 | 5175387659 |
19 | 19621384337 |
20 | 74390315987 |
21 | 282035100971 |
22 | 1069276250873 |
[1,3,11,41,155,587,2225,8435,31979,121241,459659, 1742699,6607073,25049315,94969163,360055433, 1365073787,5175387659,19621384337,74390315987, 282035100971,1069276250873] |