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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 4 |
| 3 | 5 |
| 4 | 16 |
| 5 | 21 |
| 6 | 64 |
| 7 | 85 |
| 8 | 256 |
| 9 | 341 |
| 10 | 1024 |
| 11 | 1365 |
| 12 | 4097 |
| 13 | 5462 |
| 14 | 16393 |
| 15 | 21854 |
| 16 | 65594 |
| 17 | 87448 |
| 18 | 262467 |
| 19 | 349915 |
| 20 | 1050235 |
| 21 | 1400150 |
| 22 | 4202409 |
| 23 | 5602558 |
| 24 | 16815516 |
[1,4,5,16,21,64,85,256,341,1024,1365,4097,5462, 16393,21854,65594,87448,262467,349915,1050235, 1400150,4202409,5602558,16815516] |