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 | 900 |
| 2 | 3600 |
| 3 | 8100 |
| 4 | 14400 |
| 5 | 17424 |
| 6 | 22500 |
| 7 | 32400 |
| 8 | 57600 |
| 9 | 69696 |
| 10 | 72900 |
| 11 | 90000 |
| 12 | 108900 |
| 13 | 129600 |
| 14 | 166464 |
| 15 | 202500 |
| 16 | 230400 |
| 17 | 260100 |
| 18 | 278784 |
| 19 | 291600 |
| 20 | 345744 |
| 21 | 360000 |
| 22 | 374544 |
| 23 | 435600 |
| 24 | 476100 |
| 25 | 518400 |
| 26 | 562500 |
| 27 | 656100 |
| 28 | 665856 |
| 29 | 685584 |
| 30 | 756900 |
| 31 | 810000 |
| 32 | 921600 |