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 | 4 |
| 2 | 10 |
| 3 | 58 |
| 4 | 185 |
| 5 | 219 |
| 6 | 254 |
| 7 | 377 |
| 8 | 589 |
| 9 | 843 |
| 10 | 917 |
| 11 | 1247 |
| 12 | 1707 |
| 13 | 2157 |
| 14 | 2519 |
| 15 | 2642 |
| 16 | 2771 |
| 17 | 3755 |
| 18 | 4227 |
| 19 | 5078 |
| 20 | 5633 |
| 21 | 6433 |
| 22 | 6638 |
| 23 | 7053 |
| 24 | 9031 |
| 25 | 15469 |
| 26 | 16109 |
| 27 | 17414 |
| 28 | 18763 |
| 29 | 19109 |
| 30 | 21281 |
| 31 | 22421 |
| 32 | 23591 |
| 33 | 26827 |
| 34 | 28093 |
| 35 | 35489 |
| 36 | 35978 |
| 37 | 36471 |
| 38 | 37469 |
| 39 | 38987 |
| 40 | 41578 |
| 41 | 42634 |