n | a(n) |
---|---|
1 | 5 |
2 | 19 |
3 | 56 |
4 | 198 |
5 | 665 |
6 | 2213 |
7 | 7479 |
8 | 25105 |
9 | 84326 |
10 | 283532 |
11 | 952661 |
12 | 3201517 |
13 | 10759441 |
14 | 36157455 |
15 | 121511416 |
16 | 408352614 |
17 | 1372308917 |
18 | 4611790689 |
19 | 15498404475 |
20 | 52083999509 |
21 | 175033735054 |
22 | 588219141252 |
23 | 1976771852673 |
24 | 6643148349849 |
[5,19,56,198,665,2213,7479,25105,84326,283532, 952661,3201517,10759441,36157455,121511416, 408352614,1372308917,4611790689,15498404475, 52083999509,175033735054,588219141252, 1976771852673,6643148349849] |