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| n | a(n) |
|---|---|
| 1 | 4 |
| 2 | 22 |
| 3 | 121 |
| 4 | 1086 |
| 5 | 10086 |
| 6 | 100066 |
| 7 | 1000165 |
| 8 | 10000426 |
| 9 | 100000165 |
| 10 | 1000000165 |
| 11 | 10000000165 |
| 12 | 100000000498 |
| 13 | 1000000000066 |
| 14 | 10000000000615 |
| 15 | 100000000000786 |
| 16 | 1000000000000426 |
| 17 | 10000000000000246 |
| 18 | 100000000000000642 |
| 19 | 1000000000000000462 |
| 20 | 10000000000000000246 |
| 21 | 100000000000000000282 |
| 22 | 1000000000000000000966 |
[4,22,121,1086,10086,100066,1000165,10000426, 100000165,1000000165,10000000165,100000000498, 1000000000066,10000000000615,100000000000786, 1000000000000426,10000000000000246, 100000000000000642,1000000000000000462, 10000000000000000246,100000000000000000282, 1000000000000000000966] |