This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
| n | a(n) |
|---|---|
| 1 | 1061 |
| 2 | 1091 |
| 3 | 1601 |
| 4 | 1901 |
| 5 | 10061 |
| 6 | 10091 |
| 7 | 16001 |
| 8 | 19001 |
| 9 | 106861 |
| 10 | 109891 |
| 11 | 110651 |
| 12 | 110921 |
| 13 | 120121 |
| 14 | 121021 |
| 15 | 121921 |
| 16 | 129011 |
| 17 | 129121 |
| 18 | 150151 |
| 19 | 151051 |
| 20 | 151651 |
| 21 | 156011 |
| 22 | 156151 |
| 23 | 168601 |
| 24 | 198901 |
| 25 | 1022591 |
| 26 | 1026521 |
| 27 | 1028011 |
| 28 | 1055261 |
| 29 | 1058011 |
| 30 | 1059251 |
| 31 | 1069291 |
| 32 | 1096561 |
| 33 | 1102891 |
| 34 | 1105861 |
| 35 | 1106881 |
| 36 | 1108201 |
| 37 | 1108501 |
| 38 | 1109881 |
| 39 | 1111651 |