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 | 73 |
| 2 | 173 |
| 3 | 373 |
| 4 | 673 |
| 5 | 773 |
| 6 | 1373 |
| 7 | 1873 |
| 8 | 1973 |
| 9 | 2273 |
| 10 | 2473 |
| 11 | 3373 |
| 12 | 3673 |
| 13 | 4073 |
| 14 | 4273 |
| 15 | 4373 |
| 16 | 4673 |
| 17 | 4973 |
| 18 | 5273 |
| 19 | 5573 |
| 20 | 6073 |
| 21 | 6173 |
| 22 | 6373 |
| 23 | 6473 |
| 24 | 6673 |
| 25 | 7573 |
| 26 | 7673 |
| 27 | 7873 |
| 28 | 8273 |
| 29 | 8573 |
| 30 | 9173 |
| 31 | 9473 |
| 32 | 9973 |
| 33 | 10273 |
| 34 | 10973 |
| 35 | 11173 |
| 36 | 11273 |
| 37 | 12073 |
| 38 | 12373 |
| 39 | 12473 |
| 40 | 12973 |
| 41 | 13873 |