| n | a(n) |
|---|---|
| 1 | 990100 |
| 2 | 99009900990100 |
| 3 | 9900990099009900990100 |
| 4 | 990099009900990099009900990100 |
| 5 | 99009900990099009900990099009900990100 |
| 6 | 9900990099009900990099009900990099009900990100 |
| 7 | 990099009900990099009900990099009900990099009900990100 |
[990100,99009900990100,9900990099009900990100, 990099009900990099009900990100, 99009900990099009900990099009900990100, 9900990099009900990099009900990099009900990100, 99009900990099009900990099009900990099009900990099\ 0100] |