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 | 1764 |
| 3 | 4356 |
| 4 | 4500 |
| 5 | 4900 |
| 6 | 6084 |
| 7 | 10404 |
| 8 | 12348 |
| 9 | 12996 |
| 10 | 19044 |
| 11 | 22500 |
| 12 | 30276 |
| 13 | 34596 |
| 14 | 44100 |
| 15 | 47916 |
| 16 | 49284 |
| 17 | 60516 |
| 18 | 66564 |
| 19 | 79092 |
| 20 | 79524 |
| 21 | 86436 |
| 22 | 88200 |
| 23 | 101124 |
| 24 | 108900 |
| 25 | 112500 |
| 26 | 125316 |
| 27 | 132300 |
| 28 | 133956 |
| 29 | 152100 |
| 30 | 161604 |
| 31 | 176400 |
| 32 | 176868 |
| 33 | 181476 |
| 34 | 191844 |
| 35 | 213444 |
| 36 | 217800 |
| 37 | 220500 |