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 | 891 |
| 2 | 921 |
| 3 | 1029 |
| 4 | 1037 |
| 5 | 1653 |
| 6 | 1763 |
| 7 | 1857 |
| 8 | 2427 |
| 9 | 2513 |
| 10 | 2519 |
| 11 | 2607 |
| 12 | 3111 |
| 13 | 3193 |
| 14 | 3213 |
| 15 | 3501 |
| 16 | 3519 |
| 17 | 3707 |
| 18 | 3953 |
| 19 | 4227 |
| 20 | 4459 |
| 21 | 4599 |
| 22 | 4689 |
| 23 | 4803 |
| 24 | 4863 |
| 25 | 5019 |
| 26 | 5043 |
| 27 | 5047 |
| 28 | 5397 |
| 29 | 5459 |
| 30 | 5489 |
| 31 | 5499 |
| 32 | 6019 |
| 33 | 6023 |
| 34 | 6429 |
| 35 | 6483 |
| 36 | 6609 |
| 37 | 6621 |
| 38 | 7113 |