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 | 22 |
| 2 | 33 |
| 3 | 55 |
| 4 | 77 |
| 5 | 1111 |
| 6 | 1331 |
| 7 | 1771 |
| 8 | 1991 |
| 9 | 2332 |
| 10 | 2992 |
| 11 | 3113 |
| 12 | 3773 |
| 13 | 4114 |
| 14 | 4334 |
| 15 | 4774 |
| 16 | 5335 |
| 17 | 5995 |
| 18 | 6116 |
| 19 | 6776 |
| 20 | 7117 |
| 21 | 7337 |
| 22 | 7997 |
| 23 | 8338 |
| 24 | 8998 |
| 25 | 9779 |
| 26 | 101101 |
| 27 | 103301 |
| 28 | 107701 |
| 29 | 109901 |
| 30 | 113311 |
| 31 | 127721 |
| 32 | 131131 |
| 33 | 137731 |
| 34 | 139931 |
| 35 | 149941 |
| 36 | 151151 |
| 37 | 157751 |