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 | 25 |
| 3 | 73 |
| 4 | 145 |
| 5 | 241 |
| 6 | 361 |
| 7 | 505 |
| 8 | 673 |
| 9 | 865 |
| 10 | 1081 |
| 11 | 1321 |
| 12 | 1585 |
| 13 | 1873 |
| 14 | 2185 |
| 15 | 2521 |
| 16 | 2881 |
| 17 | 3265 |
| 18 | 3673 |
| 19 | 4105 |
| 20 | 4561 |
| 21 | 5041 |
| 22 | 5545 |
| 23 | 6073 |
| 24 | 6625 |
| 25 | 7201 |
| 26 | 7801 |
| 27 | 8425 |
| 28 | 9073 |
| 29 | 9745 |
| 30 | 10441 |
| 31 | 11161 |
| 32 | 11905 |
| 33 | 12673 |
| 34 | 13465 |
| 35 | 14281 |
| 36 | 15121 |
| 37 | 15985 |
| 38 | 16873 |
| 39 | 17785 |
| 40 | 18721 |
| 41 | 19681 |
| 42 | 20665 |
| 43 | 21673 |