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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 4 |
| 3 | 13 |
| 4 | 25 |
| 5 | 36 |
| 6 | 357 |
| 7 | 373 |
| 8 | 1041 |
| 9 | 1089 |
| 10 | 1093 |
| 11 | 1297 |
| 12 | 8274 |
| 13 | 10732 |
| 14 | 15972 |
| 15 | 18114 |
| 16 | 21823 |
| 17 | 34519 |
| 18 | 36096 |
| 19 | 75498 |
[1,4,13,25,36,357,373,1041,1089,1093,1297,8274, 10732,15972,18114,21823,34519,36096,75498] |