n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 4 |
3 | 9 |
4 | 24 |
5 | 76 |
6 | 279 |
7 | 1156 |
8 | 5300 |
9 | 26541 |
10 | 143914 |
11 | 839638 |
12 | 5244803 |
13 | 34931300 |
14 | 247163950 |
15 | 1852025659 |
16 | 14653435010 |
17 | 122098588726 |
18 | 1068815216257 |
19 | 9807096147326 |
20 | 94129078829678 |
21 | 943236002423047 |
22 | 9850531055262612 |
[1,2,4,9,24,76,279,1156,5300,26541,143914,839638, 5244803,34931300,247163950,1852025659,14653435010, 122098588726,1068815216257,9807096147326, 94129078829678,943236002423047,9850531055262612] |