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 | 3 |
| 2 | 7 |
| 3 | 10 |
| 4 | 18 |
| 5 | 21 |
| 6 | 33 |
| 7 | 36 |
| 8 | 52 |
| 9 | 55 |
| 10 | 75 |
| 11 | 78 |
| 12 | 102 |
| 13 | 105 |
| 14 | 133 |
| 15 | 136 |
| 16 | 168 |
| 17 | 171 |
| 18 | 207 |
| 19 | 210 |
| 20 | 250 |
| 21 | 253 |
| 22 | 297 |
| 23 | 300 |
| 24 | 348 |
| 25 | 351 |
| 26 | 403 |
| 27 | 406 |
| 28 | 462 |
| 29 | 465 |
| 30 | 525 |
| 31 | 528 |
| 32 | 592 |
| 33 | 595 |
| 34 | 663 |
| 35 | 666 |
| 36 | 738 |
| 37 | 741 |
| 38 | 817 |
| 39 | 820 |
| 40 | 900 |
| 41 | 903 |
| 42 | 987 |
| 43 | 990 |
| 44 | 1078 |
| 45 | 1081 |
| 46 | 1173 |
| 47 | 1176 |
| 48 | 1272 |
| 49 | 1275 |
| 50 | 1375 |
| 51 | 1378 |
| 52 | 1482 |