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 | 217 |
| 2 | 481 |
| 3 | 1111 |
| 4 | 1261 |
| 5 | 2701 |
| 6 | 3589 |
| 7 | 5713 |
| 8 | 6533 |
| 9 | 11041 |
| 10 | 14701 |
| 11 | 20017 |
| 12 | 29341 |
| 13 | 34441 |
| 14 | 39493 |
| 15 | 43621 |
| 16 | 46657 |
| 17 | 46873 |
| 18 | 49141 |
| 19 | 49661 |
| 20 | 58969 |
| 21 | 74023 |
| 22 | 74563 |
| 23 | 76921 |
| 24 | 83333 |
| 25 | 87061 |
| 26 | 92053 |
| 27 | 94657 |
| 28 | 94697 |
| 29 | 97751 |
| 30 | 97921 |
| 31 | 109061 |
| 32 | 115921 |
| 33 | 125563 |
| 34 | 128627 |
| 35 | 151387 |
| 36 | 173377 |