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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 31 |
| 5 | 1 |
| 6 | 1063 |
| 7 | 403 |
| 8 | 211 |
| 9 | 13 |
| 10 | 2593 |
| 11 | 697 |
| 12 | 5412109 |
| 13 | 665921 |
| 14 | 77279 |
| 15 | 32939 |
| 16 | 589936987 |
| 17 | 3075829 |
| 18 | 77702459911 |
| 19 | 1402074523 |
| 20 | 3459515 |
| 21 | 2802641 |
| 22 | 2712400121 |
| 23 | 10170076061 |
| 24 | 4779350269801 |
| 25 | 339859110917 |
| 26 | 3851369495951 |
[1,1,1,31,1,1063,403,211,13,2593,697,5412109, 665921,77279,32939,589936987,3075829,77702459911, 1402074523,3459515,2802641,2712400121,10170076061, 4779350269801,339859110917,3851369495951] |