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 | 2 |
| 2 | 5 |
| 3 | 17 |
| 4 | 1277 |
| 5 | 2129 |
| 6 | 3413 |
| 7 | 4157 |
| 8 | 4637 |
| 9 | 7481 |
| 10 | 7573 |
| 11 | 7717 |
| 12 | 14561 |
| 13 | 15233 |
| 14 | 19469 |
| 15 | 19889 |
| 16 | 20549 |
| 17 | 20693 |
| 18 | 20749 |
| 19 | 22721 |
| 20 | 23609 |
| 21 | 23869 |
| 22 | 24841 |
| 23 | 27701 |
| 24 | 29629 |
| 25 | 31153 |
| 26 | 35869 |
| 27 | 41081 |
| 28 | 42209 |
| 29 | 42577 |
| 30 | 44417 |
| 31 | 45233 |
| 32 | 46061 |
| 33 | 51613 |
| 34 | 51713 |
| 35 | 52069 |
| 36 | 53197 |
| 37 | 54493 |
| 38 | 55589 |
| 39 | 55921 |
| 40 | 56489 |