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 | 2401 |
| 2 | 9604 |
| 3 | 21609 |
| 4 | 28561 |
| 5 | 38416 |
| 6 | 60025 |
| 7 | 86436 |
| 8 | 114244 |
| 9 | 130321 |
| 10 | 153664 |
| 11 | 194481 |
| 12 | 240100 |
| 13 | 257049 |
| 14 | 290521 |
| 15 | 345744 |
| 16 | 456976 |
| 17 | 521284 |
| 18 | 540225 |
| 19 | 614656 |
| 20 | 693889 |
| 21 | 714025 |
| 22 | 777924 |
| 23 | 923521 |
| 24 | 960400 |
| 25 | 1028196 |
| 26 | 1162084 |
| 27 | 1172889 |
| 28 | 1270129 |
| 29 | 1382976 |
| 30 | 1500625 |