n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 7 |
4 | 23 |
5 | 84 |
6 | 331 |
7 | 1367 |
8 | 5812 |
9 | 25331 |
10 | 112804 |
11 | 511045 |
12 | 2348042 |
13 | 10919414 |
14 | 51313463 |
15 | 243332340 |
16 | 1163105227 |
17 | 5598774334 |
18 | 27119990519 |
19 | 132107355553 |
20 | 646793104859 |
21 | 3181256110699 |
22 | 15712610146876 |
23 | 77903855239751 |
24 | 387609232487489 |
25 | 1934788962992123 |
[1,1,2,7,23,84,331,1367,5812,25331,112804,511045, 2348042,10919414,51313463,243332340,1163105227, 5598774334,27119990519,132107355553,646793104859, 3181256110699,15712610146876,77903855239751, 387609232487489,1934788962992123] |