n | a(n) |
---|---|
0 | 2 |
1 | 4 |
2 | 11 |
3 | 32 |
4 | 93 |
5 | 270 |
6 | 787 |
7 | 2308 |
8 | 6809 |
9 | 20186 |
10 | 60063 |
11 | 179184 |
12 | 535525 |
13 | 1602502 |
14 | 4799339 |
15 | 14381660 |
16 | 43112241 |
17 | 129271218 |
18 | 387682615 |
19 | 1162785736 |
20 | 3487832957 |
21 | 10462450334 |
22 | 31385253891 |
23 | 94151567412 |
24 | 282446313673 |
25 | 847322163850 |
[2,4,11,32,93,270,787,2308,6809,20186,60063, 179184,535525,1602502,4799339,14381660,43112241, 129271218,387682615,1162785736,3487832957, 10462450334,31385253891,94151567412,282446313673, 847322163850] |