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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 4 |
| 3 | 1 |
| 4 | 4 |
| 5 | 4 |
| 6 | 5 |
| 7 | 4 |
| 8 | 4 |
| 9 | 20 |
| 10 | 13 |
| 11 | 4 |
| 12 | 4 |
| 13 | 20 |
| 14 | 52 |
| 15 | 41 |
| 16 | 4 |
| 17 | 4 |
| 18 | 20 |
| 19 | 52 |
| 20 | 164 |
| 21 | 121 |
| 22 | 4 |
| 23 | 4 |
| 24 | 20 |
| 25 | 52 |
| 26 | 164 |
| 27 | 484 |
| 28 | 365 |
| 29 | 4 |
| 30 | 4 |
| 31 | 20 |
| 32 | 52 |
| 33 | 164 |
| 34 | 484 |
| 35 | 1460 |
| 36 | 1093 |
| 37 | 4 |
| 38 | 4 |
| 39 | 20 |
| 40 | 52 |
| 41 | 164484 |
| 42 | 1460 |
| 43 | 4372 |
| 44 | 3281 |
| 45 | 4 |
| 46 | 4 |
| 47 | 20 |
| 48 | 52 |
| 49 | 164 |
| 50 | 484 |
| 51 | 1460 |
| 52 | 4372 |
| 53 | 13124 |
| 54 | 9841 |
[1,4,1,4,4,5,4,4,20,13,4,4,20,52,41,4,4,20,52,164, 121,4,4,20,52,164,484,365,4,4,20,52,164,484,1460, 1093,4,4,20,52,164484,1460,4372,3281,4,4,20,52, 164,484,1460,4372,13124,9841] |