n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 11 |
3 | 44 |
4 | 186 |
5 | 819 |
6 | 3725 |
7 | 17402 |
8 | 83156 |
9 | 405116 |
10 | 2006696 |
11 | 10083578 |
12 | 51303146 |
13 | 263851841 |
14 | 1369807435 |
15 | 7170160392 |
16 | 37803475750 |
17 | 200584271466 |
18 | 1070306614530 |
19 | 5739790997296 |
20 | 30919312935436 |
21 | 167228980869678 |
22 | 907759276349466 |
[1,3,11,44,186,819,3725,17402,83156,405116, 2006696,10083578,51303146,263851841,1369807435, 7170160392,37803475750,200584271466,1070306614530, 5739790997296,30919312935436,167228980869678, 907759276349466] |