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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 4 |
| 3 | 16 |
| 4 | 25 |
| 5 | 27 |
| 6 | 39 |
| 7 | 109 |
| 8 | 117 |
| 9 | 720 |
| 10 | 989 |
| 11 | 1451 |
| 12 | 1477 |
| 13 | 1522 |
| 14 | 2242 |
| 15 | 2657 |
| 16 | 2694 |
| 17 | 2929 |
| 18 | 5927 |
| 19 | 7589 |
| 20 | 7844 |
| 21 | 9990 |
| 22 | 19475 |
| 23 | 43896 |
| 24 | 44304 |
| 25 | 95134 |
| 26 | 128343 |
| 27 | 129487 |
[1,4,16,25,27,39,109,117,720,989,1451,1477,1522, 2242,2657,2694,2929,5927,7589,7844,9990,19475, 43896,44304,95134,128343,129487] |