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 | 101 |
| 2 | 313 |
| 3 | 727 |
| 4 | 919 |
| 5 | 10301 |
| 6 | 11311 |
| 7 | 12421 |
| 8 | 13331 |
| 9 | 14341 |
| 10 | 15451 |
| 11 | 16061 |
| 12 | 17471 |
| 13 | 18181 |
| 14 | 19391 |
| 15 | 30103 |
| 16 | 31013 |
| 17 | 32323 |
| 18 | 33533 |
| 19 | 34543 |
| 20 | 35053 |
| 21 | 36263 |
| 22 | 37273 |
| 23 | 38083 |
| 24 | 39293 |
| 25 | 70207 |
| 26 | 71317 |
| 27 | 72227 |
| 28 | 73037 |
| 29 | 74047 |
| 30 | 75557 |
| 31 | 76367 |
| 32 | 77377 |
| 33 | 78487 |
| 34 | 79397 |
| 35 | 90709 |