n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 5 |
4 | 19 |
5 | 104 |
6 | 717 |
7 | 5802 |
8 | 53337 |
9 | 546227 |
10 | 6148507 |
11 | 75331145 |
12 | 997148390 |
13 | 14176316764 |
14 | 215415605318 |
15 | 3484286692680 |
16 | 59775418733049 |
17 | 1084259223927576 |
18 | 20735691656139651 |
19 | 417032279964273318 |
20 | 8799878770181560605 |
21 | 194408503996438497630 |
22 | 4487825374588467361095 |
[1,1,2,5,19,104,717,5802,53337,546227,6148507, 75331145,997148390,14176316764,215415605318, 3484286692680,59775418733049,1084259223927576, 20735691656139651,417032279964273318, 8799878770181560605,194408503996438497630, 4487825374588467361095] |