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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 9 |
| 3 | 1089 |
| 4 | 8281 |
| 5 | 978121 |
| 6 | 7436529 |
| 7 | 878351769 |
| 8 | 6677994961 |
| 9 | 788758910641 |
| 10 | 5996832038649 |
| 11 | 708304623404049 |
| 12 | 5385148492712041 |
| 13 | 636056763057925561 |
| 14 | 4835857349623374369 |
| 15 | 571178264921393749929 |
| 16 | 4342594514813297471521 |
[1,9,1089,8281,978121,7436529,878351769, 6677994961,788758910641,5996832038649, 708304623404049,5385148492712041, 636056763057925561,4835857349623374369, 571178264921393749929,4342594514813297471521] |