n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 3 |
4 | 7 |
5 | 27 |
6 | 94 |
7 | 425 |
8 | 2100 |
9 | 12252 |
10 | 79865 |
11 | 576220 |
12 | 4532457 |
13 | 38657929 |
14 | 354600915 |
15 | 3485914368 |
16 | 36545825768 |
17 | 407149542540 |
[1,1,1,3,7,27,94,425,2100,12252,79865,576220, 4532457,38657929,354600915,3485914368,36545825768, 407149542540] |