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 | 137 |
| 4 | 191 |
| 5 | 197 |
| 6 | 521 |
| 7 | 617 |
| 8 | 1319 |
| 9 | 1619 |
| 10 | 1697 |
| 11 | 1931 |
| 12 | 1949 |
| 13 | 2111 |
| 14 | 2549 |
| 15 | 2591 |
| 16 | 2969 |
| 17 | 3119 |
| 18 | 3329 |
| 19 | 3389 |
| 20 | 3557 |
| 21 | 3929 |
| 22 | 4157 |
| 23 | 4217 |
| 24 | 4271 |
| 25 | 4517 |
| 26 | 5279 |
| 27 | 5417 |
| 28 | 7331 |
| 29 | 7349 |
| 30 | 7757 |
| 31 | 8009 |
| 32 | 8429 |
| 33 | 8837 |
| 34 | 9011 |
| 35 | 9281 |
| 36 | 9437 |
| 37 | 9857 |
| 38 | 9929 |
| 39 | 10007 |
| 40 | 10037 |
| 41 | 10457 |
| 42 | 10529 |
| 43 | 10859 |