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 | 5 |
| 3 | 17 |
| 4 | 41 |
| 5 | 1949 |
| 6 | 2309 |
| 7 | 2711 |
| 8 | 2789 |
| 9 | 2801 |
| 10 | 3299 |
| 11 | 3329 |
| 12 | 3359 |
| 13 | 3917 |
| 14 | 4157 |
| 15 | 4217 |
| 16 | 4259 |
| 17 | 4637 |
| 18 | 5009 |
| 19 | 5021 |
| 20 | 5231 |
| 21 | 6449 |
| 22 | 7757 |
| 23 | 8087 |
| 24 | 8219 |
| 25 | 8627 |
| 26 | 9419 |
| 27 | 9929 |
| 28 | 10007 |
| 29 | 10937 |
| 30 | 11777 |
| 31 | 12071 |
| 32 | 14321 |
| 33 | 15647 |
| 34 | 15971 |
| 35 | 16061 |
| 36 | 16901 |
| 37 | 18131 |
| 38 | 18251 |
| 39 | 18287 |
| 40 | 18539 |