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 | 229 |
| 2 | 449 |
| 3 | 11119 |
| 4 | 14149 |
| 5 | 22229 |
| 6 | 28289 |
| 7 | 31319 |
| 8 | 37379 |
| 9 | 44449 |
| 10 | 49499 |
| 11 | 52529 |
| 12 | 56569 |
| 13 | 67679 |
| 14 | 70709 |
| 15 | 71719 |
| 16 | 80809 |
| 17 | 86869 |
| 18 | 89899 |
| 19 | 94949 |
| 20 | 95959 |
| 21 | 1061069 |
| 22 | 1101109 |
| 23 | 1131139 |
| 24 | 1151159 |
| 25 | 1161169 |
| 26 | 1191199 |
| 27 | 1241249 |
| 28 | 1251259 |
| 29 | 1331339 |
| 30 | 1401409 |
| 31 | 1431439 |
| 32 | 1481489 |
| 33 | 1571579 |
| 34 | 1601609 |