n | a(n) |
---|---|
0 | 1 |
1 | 13 |
2 | 130 |
3 | 1106 |
4 | 8575 |
5 | 62475 |
6 | 435576 |
7 | 2939208 |
8 | 19342285 |
9 | 124800361 |
10 | 792586270 |
11 | 4969028750 |
12 | 30822650251 |
13 | 189500937303 |
14 | 1156406300340 |
15 | 7012380492516 |
16 | 42294614785465 |
17 | 253926386816725 |
18 | 1518506730836026 |
19 | 9050029200532298 |
20 | 53778595325886295 |
21 | 318762380704793571 |
22 | 1885254096749834160 |
[1,13,130,1106,8575,62475,435576,2939208,19342285, 124800361,792586270,4969028750,30822650251, 189500937303,1156406300340,7012380492516, 42294614785465,253926386816725,1518506730836026, 9050029200532298,53778595325886295, 318762380704793571,1885254096749834160] |