n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 2 |
4 | 5 |
5 | 17 |
6 | 79 |
7 | 421 |
8 | 2537 |
9 | 16214 |
10 | 108204 |
11 | 743953 |
12 | 5237414 |
13 | 37574426 |
14 | 273889801 |
15 | 2023645764 |
16 | 15128049989 |
17 | 114256903169 |
18 | 870786692493 |
19 | 6690155544157 |
20 | 51771411793812 |
21 | 403238508004050 |
22 | 3159259746188665 |
23 | 24884525271410389 |
24 | 196966954270163612 |
[1,1,1,2,5,17,79,421,2537,16214,108204,743953, 5237414,37574426,273889801,2023645764,15128049989, 114256903169,870786692493,6690155544157, 51771411793812,403238508004050,3159259746188665, 24884525271410389,196966954270163612] |