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| n | a(n) |
|---|---|
| 2 | 1001 |
| 3 | 2101 |
| 4 | 21301 |
| 5 | 222101 |
| 6 | 2304401 |
| 7 | 23553101 |
| 8 | 244153501 |
| 9 | 2520607101 |
| 10 | 25937424601 |
| 11 | 267120945101 |
[1001,2101,21301,222101,2304401,23553101, 244153501,2520607101,25937424601,267120945101] |