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 | 4 |
| 2 | 25 |
| 3 | 76 |
| 4 | 241 |
| 5 | 400 |
| 6 | 561 |
| 7 | 724 |
| 8 | 889 |
| 9 | 1009 |
| 10 | 1504 |
| 11 | 2001 |
| 12 | 2500 |
| 13 | 3001 |
| 14 | 3504 |
| 15 | 4009 |
| 16 | 4516 |
| 17 | 5025 |
| 18 | 5536 |
| 19 | 6049 |
| 20 | 6564 |
| 21 | 7081 |
| 22 | 7600 |
| 23 | 8121 |
| 24 | 8644 |
| 25 | 9169 |
| 26 | 9696 |
| 27 | 11524 |
| 28 | 13089 |
| 29 | 14656 |
| 30 | 16225 |
| 31 | 17796 |
| 32 | 19369 |
| 33 | 20944 |
| 34 | 22521 |
| 35 | 24100 |
| 36 | 25681 |
| 37 | 27264 |
| 38 | 28849 |
| 39 | 30436 |