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| n | a(n) |
|---|---|
| 1 | 4 |
| 2 | 4 |
| 3 | 6 |
| 4 | 10 |
| 5 | 10 |
| 6 | 201 |
| 7 | 133 |
| 8 | 133 |
| 9 | 635 |
| 10 | 697 |
| 11 | 2215 |
| 12 | 2215 |
| 13 | 4979 |
| 14 | 2995 |
| 15 | 13561 |
| 16 | 22903 |
| 17 | 1691 |
| 18 | 5951 |
| 19 | 72697 |
| 20 | 72697 |
| 21 | 72697 |
| 22 | 172151 |
| 23 | 172151 |
| 24 | 1782371 |
| 25 | 1782371 |
| 26 | 3660743 |
| 27 | 3660743 |
| 28 | 3660743 |
| 29 | 3660743 |
| 30 | 13298267 |
| 31 | 2235913 |
| 32 | 41963249 |
[4,4,6,10,10,201,133,133,635,697,2215,2215,4979, 2995,13561,22903,1691,5951,72697,72697,72697, 172151,172151,1782371,1782371,3660743,3660743, 3660743,3660743,13298267,2235913,41963249] |