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 | 0 |
| 1 | 13 |
| 2 | 26 |
| 3 | 33 |
| 4 | 52 |
| 5 | 55 |
| 6 | 78 |
| 7 | 91 |
| 8 | 112 |
| 9 | 135 |
| 10 | 160 |
| 11 | 187 |
| 12 | 216 |
| 13 | 247 |
| 14 | 280 |
| 15 | 315 |
| 16 | 352 |
| 17 | 391 |
| 18 | 432 |
| 19 | 475 |
| 20 | 520 |
| 21 | 567 |
| 22 | 616 |
| 23 | 667 |
| 24 | 720 |
| 25 | 775 |
| 26 | 832 |
| 27 | 891 |
| 28 | 952 |
| 29 | 1015 |
| 30 | 1080 |
| 31 | 1147 |
| 32 | 1216 |
| 33 | 1287 |
| 34 | 1360 |
| 35 | 1435 |
| 36 | 1512 |
| 37 | 1591 |
| 38 | 1672 |
| 39 | 1755 |
| 40 | 1840 |
| 41 | 1927 |
| 42 | 2016 |
| 43 | 2107 |
| 44 | 2200 |
| 45 | 2295 |
| 46 | 2392 |
| 47 | 2491 |
| 48 | 2592 |
| 49 | 2695 |