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 | 29 |
| 3 | 59 |
| 4 | 71 |
| 5 | 149 |
| 6 | 269 |
| 7 | 431 |
| 8 | 569 |
| 9 | 599 |
| 10 | 1031 |
| 11 | 1061 |
| 12 | 1229 |
| 13 | 1289 |
| 14 | 1319 |
| 15 | 1451 |
| 16 | 1619 |
| 17 | 2129 |
| 18 | 2339 |
| 19 | 2381 |
| 20 | 2549 |
| 21 | 2711 |
| 22 | 2789 |
| 23 | 3299 |
| 24 | 3539 |
| 25 | 4019 |
| 26 | 4049 |
| 27 | 4091 |
| 28 | 4649 |
| 29 | 4721 |
| 30 | 5099 |
| 31 | 5441 |
| 32 | 5519 |
| 33 | 5639 |
| 34 | 5741 |
| 35 | 5849 |
| 36 | 6269 |
| 37 | 6359 |
| 38 | 6569 |
| 39 | 6701 |
| 40 | 6959 |
| 41 | 7211 |