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) |
|---|---|
| 0 | 10 |
| 1 | 111 |
| 2 | 212 |
| 3 | 313 |
| 4 | 414 |
| 5 | 515 |
| 6 | 616 |
| 7 | 717 |
| 8 | 818 |
| 9 | 919 |
| 10 | 1020 |
| 11 | 1121 |
| 12 | 1222 |
| 13 | 1323 |
| 14 | 1424 |
| 15 | 1525 |
| 16 | 1626 |
| 17 | 1727 |
| 18 | 1828 |
| 19 | 1929 |
| 20 | 2030 |
| 21 | 2131 |
| 22 | 2232 |
| 23 | 2333 |
| 24 | 2434 |
| 25 | 2535 |
| 26 | 2636 |
| 27 | 2737 |
| 28 | 2838 |
| 29 | 2939 |
| 30 | 3040 |
| 31 | 3141 |
| 32 | 3242 |
| 33 | 3343 |
| 34 | 3444 |
| 35 | 3545 |
| 36 | 3646 |
| 37 | 3747 |
| 38 | 3848 |
| 39 | 3949 |
| 40 | 4050 |
| 41 | 4151 |
| 42 | 4252 |
| 43 | 4353 |
| 44 | 4454 |
| 45 | 4555 |