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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 4 |
| 3 | 5 |
| 4 | 9 |
| 5 | 55 |
| 6 | 77 |
| 7 | 121 |
| 8 | 181 |
| 9 | 313 |
| 10 | 434 |
| 11 | 484 |
| 12 | 505 |
| 13 | 545 |
| 14 | 595 |
| 15 | 636 |
| 16 | 676 |
| 17 | 818 |
| 18 | 1001 |
| 19 | 1111 |
| 20 | 1441 |
| 21 | 1771 |
| 22 | 4334 |
| 23 | 6446 |
| 24 | 10201 |
| 25 | 12321 |
| 26 | 14641 |
| 27 | 17371 |
| 28 | 17871 |
| 29 | 19691 |
| 30 | 21712 |
| 31 | 40804 |
| 32 | 41214 |
| 33 | 42924 |
| 34 | 44444 |
| 35 | 44944 |
| 36 | 46564 |
| 37 | 51015 |
| 38 | 65756 |
| 39 | 69696 |
| 40 | 81818 |
| 41 | 94249 |
| 42 | 97679 |
| 43 | 99199 |
[1,4,5,9,55,77,121,181,313,434,484,505,545,595, 636,676,818,1001,1111,1441,1771,4334,6446,10201, 12321,14641,17371,17871,19691,21712,40804,41214, 42924,44444,44944,46564,51015,65756,69696,81818, 94249,97679,99199] |