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 | 1 |
| 2 | 1 |
| 3 | 4 |
| 4 | 9 |
| 5 | 25 |
| 6 | 64 |
| 7 | 19 |
| 8 | 41 |
| 9 | 916 |
| 10 | 2525 |
| 11 | 6481 |
| 12 | 11616 |
| 13 | 499 |
| 14 | 94949 |
| 15 | 3610 |
| 16 | 816449 |
| 17 | 1258149 |
| 18 | 4256416 |
| 19 | 161641 |
| 20 | 36493625 |
| 21 | 10811636 |
| 22 | 1494911 |
| 23 | 464362549 |
| 24 | 163693664 |
| 25 | 49250425 |
| 26 | 1419819 |
| 27 | 1813616164 |
| 28 | 91496411 |
| 29 | 251164481 |
| 30 | 64940160 |
| 31 | 19163643681 |
| 32 | 4149649081 |
| 33 | 925416254964 |