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 | 19 |
| 3 | 43 |
| 4 | 163 |
| 5 | 283 |
| 6 | 523 |
| 7 | 619 |
| 8 | 2203 |
| 9 | 2803 |
| 10 | 3019 |
| 11 | 4219 |
| 12 | 4483 |
| 13 | 5323 |
| 14 | 5923 |
| 15 | 6883 |
| 16 | 7219 |
| 17 | 9403 |
| 18 | 11443 |
| 19 | 12763 |
| 20 | 13219 |
| 21 | 15619 |
| 22 | 17683 |
| 23 | 20443 |
| 24 | 21019 |
| 25 | 24019 |
| 26 | 27883 |
| 27 | 34963 |
| 28 | 37243 |
| 29 | 38803 |
| 30 | 41203 |
| 31 | 42019 |
| 32 | 46219 |
| 33 | 55219 |
| 34 | 69163 |
| 35 | 75619 |
| 36 | 85843 |
| 37 | 100483 |