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 | 125 |
| 2 | 500 |
| 3 | 1250 |
| 4 | 2500 |
| 5 | 4375 |
| 6 | 7000 |
| 7 | 10500 |
| 8 | 15000 |
| 9 | 20625 |
| 10 | 27500 |
| 11 | 35750 |
| 12 | 45500 |
| 13 | 56875 |
| 14 | 70000 |
| 15 | 85000 |
| 16 | 102000 |
| 17 | 121125 |
| 18 | 142500 |
| 19 | 166250 |
| 20 | 192500 |
| 21 | 221375 |
| 22 | 253000 |
| 23 | 287500 |
| 24 | 325000 |
| 25 | 365625 |
| 26 | 409500 |
| 27 | 456750 |
| 28 | 507500 |
| 29 | 561875 |
| 30 | 620000 |
| 31 | 682000 |
| 32 | 748000 |
| 33 | 818125 |
| 34 | 892500 |
| 35 | 971250 |
| 36 | 1054500 |