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 | 29 |
| 5 | 59 |
| 6 | 149 |
| 7 | 197 |
| 8 | 227 |
| 9 | 239 |
| 10 | 269 |
| 11 | 419 |
| 12 | 569 |
| 13 | 659 |
| 14 | 1277 |
| 15 | 1427 |
| 16 | 1487 |
| 17 | 1667 |
| 18 | 1949 |
| 19 | 2087 |
| 20 | 2129 |
| 21 | 2267 |
| 22 | 2339 |
| 23 | 2549 |
| 24 | 2789 |
| 25 | 2999 |
| 26 | 3359 |
| 27 | 3389 |
| 28 | 3929 |
| 29 | 4049 |
| 30 | 4157 |
| 31 | 4217 |
| 32 | 4229 |
| 33 | 4517 |
| 34 | 4637 |
| 35 | 5099 |
| 36 | 5417 |
| 37 | 5477 |
| 38 | 6089 |
| 39 | 6197 |
| 40 | 6299 |
| 41 | 6359 |
| 42 | 6569 |
| 43 | 6659 |
| 44 | 6827 |
| 45 | 6959 |
| 46 | 7127 |