n | a(n) |
---|---|
1 | 2 |
2 | 10 |
3 | 31 |
4 | 42 |
5 | 255 |
6 | 862 |
7 | 2200 |
8 | 8807 |
9 | 33055 |
10 | 106158 |
11 | 385363 |
12 | 1430563 |
13 | 4984613 |
14 | 17903390 |
15 | 65557446 |
16 | 234669342 |
17 | 845691032 |
18 | 3078003683 |
19 | 11115610686 |
20 | 40193431243 |
21 | 145975752428 |
22 | 528747707176 |
23 | 1915566040755 |
24 | 6952384042215 |
[2,10,31,42,255,862,2200,8807,33055,106158,385363, 1430563,4984613,17903390,65557446,234669342, 845691032,3078003683,11115610686,40193431243, 145975752428,528747707176,1915566040755, 6952384042215] |