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| n | a(n) |
|---|---|
| 1 | 8 |
| 2 | 41 |
| 3 | 209 |
| 4 | 764 |
| 5 | 5225 |
| 6 | 8441 |
| 7 | 9344 |
| 8 | 63761 |
| 9 | 82201 |
| 10 | 477264 |
| 11 | 3191044 |
| 12 | 4038489 |
| 13 | 34656049 |
| 14 | 61233321 |
| 15 | 271005625 |
| 16 | 3465072801 |
| 17 | 36565416324 |
| 18 | 83511106624 |
| 19 | 222222321476 |
| 20 | 425286636356 |
| 21 | 2743260628100 |
| 22 | 9534841632400 |
| 23 | 33984728488004 |
| 24 | 128198574830929 |
| 25 | 741089622057984 |
| 26 | 5579432351776489 |
[8,41,209,764,5225,8441,9344,63761,82201,477264, 3191044,4038489,34656049,61233321,271005625, 3465072801,36565416324,83511106624,222222321476, 425286636356,2743260628100,9534841632400, 33984728488004,128198574830929,741089622057984, 5579432351776489] |