n | a(n) |
---|---|
0 | 1 |
1 | 20 |
2 | 401 |
3 | 8040 |
4 | 161201 |
5 | 3232060 |
6 | 64802401 |
7 | 1299280080 |
8 | 26050404001 |
9 | 522307360100 |
10 | 10472197606001 |
11 | 209966259480120 |
12 | 4209797387208401 |
13 | 84405914003648140 |
14 | 1692328077460171201 |
15 | 33930967463207072160 |
16 | 680311677341601614401 |
[1,20,401,8040,161201,3232060,64802401,1299280080, 26050404001,522307360100,10472197606001, 209966259480120,4209797387208401, 84405914003648140,1692328077460171201, 33930967463207072160,680311677341601614401] |