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 | 121 |
| 2 | 232 |
| 3 | 343 |
| 4 | 454 |
| 5 | 565 |
| 6 | 676 |
| 7 | 787 |
| 8 | 898 |
| 9 | 9109 |
| 10 | 101110 |
| 11 | 111211 |
| 12 | 121312 |
| 13 | 131413 |
| 14 | 141514 |
| 15 | 151615 |
| 16 | 161716 |
| 17 | 171817 |
| 18 | 181918 |
| 19 | 192019 |
| 20 | 202120 |
| 21 | 212221 |
| 22 | 222322 |
| 23 | 232423 |
| 24 | 242524 |
| 25 | 252625 |
| 26 | 262726 |
| 27 | 272827 |
| 28 | 282928 |
| 29 | 293029 |
| 30 | 303130 |
| 31 | 313231 |
| 32 | 323332 |
| 33 | 333433 |
| 34 | 343534 |
| 35 | 353635 |
| 36 | 363736 |