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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 7 |
| 5 | 1 |
| 6 | 1 |
| 7 | 49 |
| 8 | 49 |
| 9 | 1 |
| 10 | 1 |
| 11 | 361 |
| 12 | 841 |
| 13 | 361 |
| 14 | 1 |
| 15 | 1 |
| 16 | 2881 |
| 17 | 11881 |
| 18 | 11881 |
| 19 | 2881 |
| 20 | 1 |
| 21 | 1 |
| 22 | 25201 |
| 23 | 161281 |
| 24 | 287281 |
| 25 | 161281 |
| 26 | 25201 |
| 27 | 1 |
| 28 | 1 |
| 29 | 241921 |
| 30 | 2217601 |
| 31 | 6168961 |
| 32 | 6168961 |
| 33 | 2217601 |
| 34 | 241921 |
| 35 | 1 |
| 36 | 1 |
| 37 | 2540161 |
| 38 | 31570561 |
| 39 | 126403201 |
| 40 | 197527681 |
| 41 | 126403201 |
| 42 | 31570561 |
| 43 | 2540161 |
| 44 | 1 |
[1,1,1,1,7,1,1,49,49,1,1,361,841,361,1,1,2881, 11881,11881,2881,1,1,25201,161281,287281,161281, 25201,1,1,241921,2217601,6168961,6168961,2217601, 241921,1,1,2540161,31570561,126403201,197527681, 126403201,31570561,2540161,1] |