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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 4 |
| 3 | 11 |
| 4 | 22 |
| 5 | 25 |
| 6 | 33 |
| 7 | 101 |
| 8 | 121 |
| 9 | 141 |
| 10 | 202 |
| 11 | 222 |
| 12 | 264 |
| 13 | 303 |
| 14 | 307 |
| 15 | 451 |
| 16 | 836 |
| 17 | 1001 |
| 18 | 1111 |
| 19 | 1221 |
| 20 | 1232 |
| 21 | 2002 |
| 22 | 2068 |
| 23 | 2112 |
| 24 | 2222 |
| 25 | 2305 |
| 26 | 2515 |
| 27 | 2626 |
| 28 | 2636 |
| 29 | 2776 |
| 30 | 3003 |
| 31 | 3958 |
| 32 | 3972 |
| 33 | 4015 |
| 34 | 4081 |
| 35 | 7975 |
| 36 | 8184 |
| 37 | 9757 |
| 38 | 10001 |
| 39 | 10201 |
| 40 | 10401 |
| 41 | 11011 |
| 42 | 11121 |
| 43 | 11211 |
| 44 | 12012 |
| 45 | 12021 |
| 46 | 12221 |
| 47 | 13046 |
| 48 | 16581 |
| 49 | 20002 |
[2,4,11,22,25,33,101,121,141,202,222,264,303,307, 451,836,1001,1111,1221,1232,2002,2068,2112,2222, 2305,2515,2626,2636,2776,3003,3958,3972,4015,4081, 7975,8184,9757,10001,10201,10401,11011,11121, 11211,12012,12021,12221,13046,16581,20002] |