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 | 4 |
| 2 | 12 |
| 3 | 28 |
| 4 | 52 |
| 5 | 84 |
| 6 | 124 |
| 7 | 172 |
| 8 | 228 |
| 9 | 292 |
| 10 | 364 |
| 11 | 444 |
| 12 | 532 |
| 13 | 628 |
| 14 | 732 |
| 15 | 844 |
| 16 | 964 |
| 17 | 1092 |
| 18 | 1228 |
| 19 | 1372 |
| 20 | 1524 |
| 21 | 1684 |
| 22 | 1852 |
| 23 | 2028 |
| 24 | 2212 |
| 25 | 2404 |
| 26 | 2604 |
| 27 | 2812 |
| 28 | 3028 |
| 29 | 3252 |
| 30 | 3484 |
| 31 | 3724 |
| 32 | 3972 |
| 33 | 4228 |
| 34 | 4492 |
| 35 | 4764 |
| 36 | 5044 |
| 37 | 5332 |
| 38 | 5628 |
| 39 | 5932 |
| 40 | 6244 |
| 41 | 6564 |
| 42 | 6892 |
| 43 | 7228 |
| 44 | 7572 |
| 45 | 7924 |
| 46 | 8284 |