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 | 3 |
| 2 | 4 |
| 3 | 5 |
| 4 | 6 |
| 5 | 10 |
| 6 | 14 |
| 7 | 22 |
| 8 | 34 |
| 9 | 38 |
| 10 | 58 |
| 11 | 86 |
| 12 | 94 |
| 13 | 122 |
| 14 | 142 |
| 15 | 158 |
| 16 | 178 |
| 17 | 202 |
| 18 | 214 |
| 19 | 218 |
| 20 | 302 |
| 21 | 382 |
| 22 | 394 |
| 23 | 446 |
| 24 | 502 |
| 25 | 542 |
| 26 | 634 |
| 27 | 698 |
| 28 | 718 |
| 29 | 842 |
| 30 | 878 |
| 31 | 922 |
| 32 | 1042 |
| 33 | 1138 |
| 34 | 1202 |
| 35 | 1262 |
| 36 | 1318 |
| 37 | 1346 |
| 38 | 1382 |
| 39 | 1402 |
| 40 | 1438 |
| 41 | 1622 |
| 42 | 1642 |
| 43 | 1762 |
| 44 | 1822 |
| 45 | 1838 |
| 46 | 1894 |
| 47 | 1942 |
| 48 | 1982 |
| 49 | 2018 |
| 50 | 2102 |