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 | 1 |
| 1 | 3 |
| 2 | 4 |
| 3 | 17 |
| 4 | 19 |
| 5 | 49 |
| 6 | 53 |
| 7 | 103 |
| 8 | 107 |
| 9 | 179 |
| 10 | 181 |
| 11 | 293 |
| 12 | 295 |
| 13 | 421 |
| 14 | 431 |
| 15 | 559 |
| 16 | 563 |
| 17 | 709 |
| 18 | 713 |
| 19 | 911 |
| 20 | 913 |
| 21 | 1151 |
| 22 | 1153 |
| 23 | 1423 |
| 24 | 1427 |
| 25 | 1681 |
| 26 | 1693 |
| 27 | 2063 |
| 28 | 2069 |
| 29 | 2383 |
| 30 | 2389 |
| 31 | 2789 |
| 32 | 2791 |
| 33 | 3203 |
| 34 | 3209 |
| 35 | 3673 |
| 36 | 3677 |
| 37 | 4139 |
| 38 | 4153 |
| 39 | 4679 |
| 40 | 4691 |
| 41 | 5273 |
| 42 | 5279 |
| 43 | 5821 |
| 44 | 5827 |
| 45 | 6439 |
| 46 | 6449 |