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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 1498 |
| 3 | 6498 |
| 4 | 20602 |
| 5 | 148998 |
| 6 | 2006002 |
| 7 | 6343832 |
| 8 | 47351898 |
| 9 | 200060002 |
| 10 | 201002498 |
| 11 | 20000600002 |
| 12 | 46929738998 |
| 13 | 2000006000002 |
| 14 | 200000060000002 |
| 15 | 1562062816343832 |
| 16 | 20000000600000002 |
| 17 | 2000000006000000002 |
| 18 | 200000000060000000002 |
| 19 | 20000000000600000000002 |
[2,1498,6498,20602,148998,2006002,6343832, 47351898,200060002,201002498,20000600002, 46929738998,2000006000002,200000060000002, 1562062816343832,20000000600000002, 2000000006000000002,200000000060000000002, 20000000000600000000002] |