n | a(n) |
---|---|
1 | 2 |
2 | 2 |
3 | 3 |
4 | 7 |
5 | 15 |
6 | 44 |
7 | 131 |
8 | 438 |
9 | 1476 |
10 | 5111 |
11 | 17822 |
12 | 62862 |
13 | 223204 |
14 | 798895 |
15 | 2877861 |
16 | 10433901 |
17 | 38041351 |
18 | 139423129 |
19 | 513375505 |
20 | 1898374940 |
21 | 7046831509 |
22 | 26249681626 |
23 | 98092666143 |
24 | 367633769903 |
25 | 1381518075474 |
[2,2,3,7,15,44,131,438,1476,5111,17822,62862, 223204,798895,2877861,10433901,38041351,139423129, 513375505,1898374940,7046831509,26249681626, 98092666143,367633769903,1381518075474] |