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 | 31 |
| 2 | 131 |
| 3 | 181 |
| 4 | 281 |
| 5 | 331 |
| 6 | 431 |
| 7 | 631 |
| 8 | 881 |
| 9 | 1031 |
| 10 | 1181 |
| 11 | 1231 |
| 12 | 1381 |
| 13 | 1481 |
| 14 | 1531 |
| 15 | 1831 |
| 16 | 1931 |
| 17 | 2081 |
| 18 | 2131 |
| 19 | 2281 |
| 20 | 2381 |
| 21 | 2531 |
| 22 | 2731 |
| 23 | 3181 |
| 24 | 3331 |
| 25 | 3581 |
| 26 | 3631 |
| 27 | 3881 |
| 28 | 3931 |
| 29 | 4231 |
| 30 | 4481 |
| 31 | 4831 |
| 32 | 4931 |
| 33 | 5081 |
| 34 | 5231 |
| 35 | 5281 |
| 36 | 5381 |
| 37 | 5431 |
| 38 | 5531 |
| 39 | 5581 |
| 40 | 5881 |
| 41 | 5981 |
| 42 | 6131 |
| 43 | 6481 |
| 44 | 6581 |