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 | 12 |
| 2 | 112 |
| 3 | 212 |
| 4 | 312 |
| 5 | 412 |
| 6 | 512 |
| 7 | 612 |
| 8 | 712 |
| 9 | 812 |
| 10 | 912 |
| 11 | 1012 |
| 12 | 1112 |
| 13 | 1212 |
| 14 | 1312 |
| 15 | 1412 |
| 16 | 1512 |
| 17 | 1612 |
| 18 | 1712 |
| 19 | 1812 |
| 20 | 1912 |
| 21 | 2012 |
| 22 | 2112 |
| 23 | 2212 |
| 24 | 2312 |
| 25 | 2412 |
| 26 | 2512 |
| 27 | 2612 |
| 28 | 2712 |
| 29 | 2812 |
| 30 | 2912 |
| 31 | 3012 |
| 32 | 3112 |
| 33 | 3212 |
| 34 | 3312 |
| 35 | 3412 |
| 36 | 3512 |
| 37 | 3612 |
| 38 | 3712 |
| 39 | 3812 |
| 40 | 3912 |
| 41 | 4012 |
| 42 | 4112 |
| 43 | 4212 |
| 44 | 4312 |
| 45 | 4412 |