n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 5 |
3 | 16 |
4 | 61 |
5 | 256 |
6 | 1132 |
7 | 5174 |
8 | 24229 |
9 | 115654 |
10 | 560741 |
11 | 2754082 |
12 | 13674212 |
13 | 68522208 |
14 | 346100952 |
15 | 1760213254 |
16 | 9006390373 |
17 | 46329244034 |
18 | 239455376071 |
19 | 1242923653316 |
20 | 6476376834789 |
21 | 33863408028888 |
22 | 177625109853808 |
23 | 934404580376016 |
[1,2,5,16,61,256,1132,5174,24229,115654,560741, 2754082,13674212,68522208,346100952,1760213254, 9006390373,46329244034,239455376071,1242923653316, 6476376834789,33863408028888,177625109853808, 934404580376016] |