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 | 11 |
| 2 | 29 |
| 3 | 41 |
| 4 | 179 |
| 5 | 191 |
| 6 | 239 |
| 7 | 281 |
| 8 | 419 |
| 9 | 431 |
| 10 | 641 |
| 11 | 659 |
| 12 | 809 |
| 13 | 1019 |
| 14 | 1031 |
| 15 | 1049 |
| 16 | 1229 |
| 17 | 1289 |
| 18 | 1451 |
| 19 | 1481 |
| 20 | 1931 |
| 21 | 2129 |
| 22 | 2141 |
| 23 | 2339 |
| 24 | 2549 |
| 25 | 2969 |
| 26 | 3299 |
| 27 | 3329 |
| 28 | 3359 |
| 29 | 3389 |
| 30 | 3539 |
| 31 | 3821 |
| 32 | 3851 |
| 33 | 4019 |
| 34 | 4271 |
| 35 | 4481 |
| 36 | 5231 |
| 37 | 5279 |
| 38 | 5441 |
| 39 | 5501 |
| 40 | 5639 |
| 41 | 5741 |
| 42 | 5849 |
| 43 | 6131 |
| 44 | 6269 |
| 45 | 6449 |