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 | 2 |
| 2 | 4 |
| 3 | 8 |
| 4 | 16 |
| 5 | 24 |
| 6 | 28 |
| 7 | 36 |
| 8 | 48 |
| 9 | 56 |
| 10 | 64 |
| 11 | 80 |
| 12 | 104 |
| 13 | 124 |
| 14 | 136 |
| 15 | 156 |
| 16 | 176 |
| 17 | 184 |
| 18 | 192 |
| 19 | 208 |
| 20 | 232 |
| 21 | 252 |
| 22 | 268 |
| 23 | 296 |
| 24 | 328 |
| 25 | 352 |
| 26 | 384 |
| 27 | 440 |
| 28 | 508 |
| 29 | 560 |
| 30 | 600 |
| 31 | 652 |
| 32 | 688 |
| 33 | 696 |
| 34 | 704 |
| 35 | 720 |
| 36 | 744 |
| 37 | 764 |
| 38 | 780 |
| 39 | 808 |
| 40 | 840 |
| 41 | 864 |
| 42 | 896 |
| 43 | 952 |
| 44 | 1020 |
| 45 | 1072 |
| 46 | 1116 |
| 47 | 1176 |
| 48 | 1224 |
| 49 | 1248 |
| 50 | 1280 |
| 51 | 1336 |
| 52 | 1404 |