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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 4 |
| 6 | 5 |
| 7 | 6 |
| 8 | 7 |
| 9 | 8 |
| 10 | 9 |
| 11 | 11 |
| 12 | 22 |
| 13 | 33 |
| 14 | 44 |
| 15 | 55 |
| 16 | 66 |
| 17 | 77 |
| 18 | 88 |
| 19 | 99 |
| 20 | 101 |
| 21 | 202 |
| 22 | 303 |
| 23 | 404 |
| 24 | 505 |
| 25 | 606 |
| 26 | 707 |
| 27 | 808 |
| 28 | 909 |
| 29 | 1001 |
| 30 | 2002 |
| 31 | 3003 |
| 32 | 4004 |
| 33 | 5005 |
| 34 | 6006 |
| 35 | 7007 |
| 36 | 8008 |
| 37 | 9009 |
| 38 | 10001 |
| 39 | 20002 |
| 40 | 30003 |
| 41 | 40004 |
| 42 | 50005 |
| 43 | 60006 |
| 44 | 70007 |
| 45 | 80008 |
| 46 | 90009 |
| 47 | 100001 |
| 48 | 200002 |
| 49 | 300003 |
| 50 | 400004 |
[0,1,2,3,4,5,6,7,8,9,11,22,33,44,55,66,77,88,99, 101,202,303,404,505,606,707,808,909,1001,2002, 3003,4004,5005,6006,7007,8008,9009,10001,20002, 30003,40004,50005,60006,70007,80008,90009,100001, 200002,300003,400004] |