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 | 7 |
| 2 | 518 |
| 3 | 1029 |
| 4 | 1540 |
| 5 | 2051 |
| 6 | 2562 |
| 7 | 3073 |
| 8 | 3584 |
| 9 | 19689 |
| 10 | 20200 |
| 11 | 20711 |
| 12 | 21222 |
| 13 | 21733 |
| 14 | 22244 |
| 15 | 22755 |
| 16 | 39371 |
| 17 | 39882 |
| 18 | 40393 |
| 19 | 40904 |
| 20 | 41415 |
| 21 | 41926 |
| 22 | 59053 |
| 23 | 59564 |
| 24 | 60075 |
| 25 | 60586 |
| 26 | 61097 |
| 27 | 78735 |
| 28 | 79246 |
| 29 | 79757 |
| 30 | 80268 |
| 31 | 98417 |
| 32 | 98928 |
| 33 | 99439 |
| 34 | 118099 |
| 35 | 118610 |
| 36 | 137781 |
| 37 | 262150 |
| 38 | 262661 |
| 39 | 263172 |
| 40 | 263683 |