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 | 139 |
| 2 | 211 |
| 3 | 379 |
| 4 | 409 |
| 5 | 619 |
| 6 | 811 |
| 7 | 859 |
| 8 | 1051 |
| 9 | 1171 |
| 10 | 1201 |
| 11 | 1321 |
| 12 | 1459 |
| 13 | 1489 |
| 14 | 1609 |
| 15 | 1801 |
| 16 | 2179 |
| 17 | 2251 |
| 18 | 2281 |
| 19 | 2371 |
| 20 | 2539 |
| 21 | 2659 |
| 22 | 3019 |
| 23 | 3121 |
| 24 | 3169 |
| 25 | 3361 |
| 26 | 3529 |
| 27 | 3571 |
| 28 | 3769 |
| 29 | 3931 |
| 30 | 4099 |
| 31 | 4201 |
| 32 | 4651 |
| 33 | 5059 |
| 34 | 5419 |
| 35 | 5449 |
| 36 | 5641 |
| 37 | 5689 |
| 38 | 5779 |
| 39 | 5851 |
| 40 | 5881 |
| 41 | 6091 |