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 | 6 |
| 3 | 22 |
| 4 | 26 |
| 5 | 46 |
| 6 | 62 |
| 7 | 82 |
| 8 | 86 |
| 9 | 202 |
| 10 | 206 |
| 11 | 226 |
| 12 | 262 |
| 13 | 422 |
| 14 | 446 |
| 15 | 466 |
| 16 | 482 |
| 17 | 622 |
| 18 | 626 |
| 19 | 662 |
| 20 | 802 |
| 21 | 842 |
| 22 | 862 |
| 23 | 866 |
| 24 | 886 |
| 25 | 2026 |
| 26 | 2042 |
| 27 | 2062 |
| 28 | 2066 |
| 29 | 2206 |
| 30 | 2246 |
| 31 | 2402 |
| 32 | 2426 |
| 33 | 2446 |
| 34 | 2462 |
| 35 | 2602 |
| 36 | 2606 |
| 37 | 2642 |
| 38 | 2846 |
| 39 | 2866 |
| 40 | 4006 |
| 41 | 4022 |
| 42 | 4222 |
| 43 | 4226 |
| 44 | 4262 |
| 45 | 4282 |
| 46 | 4286 |
| 47 | 4406 |
| 48 | 4426 |
| 49 | 4442 |