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 | 7 |
| 3 | 21 |
| 4 | 39 |
| 5 | 65 |
| 6 | 93 |
| 7 | 135 |
| 8 | 179 |
| 9 | 227 |
| 10 | 285 |
| 11 | 349 |
| 12 | 415 |
| 13 | 495 |
| 14 | 573 |
| 15 | 663 |
| 16 | 759 |
| 17 | 859 |
| 18 | 963 |
| 19 | 1071 |
| 20 | 1199 |
| 21 | 1325 |
| 22 | 1457 |
| 23 | 1591 |
| 24 | 1735 |
| 25 | 1891 |
| 26 | 2049 |
| 27 | 2207 |
| 28 | 2383 |
| 29 | 2557 |
| 30 | 2735 |
| 31 | 2929 |
| 32 | 3123 |
| 33 | 3327 |
| 34 | 3529 |
| 35 | 3739 |
| 36 | 3955 |
| 37 | 4191 |
| 38 | 4427 |
| 39 | 4665 |
| 40 | 4901 |
| 41 | 5159 |
| 42 | 5413 |
| 43 | 5681 |
| 44 | 5951 |
| 45 | 6231 |
| 46 | 6515 |
| 47 | 6799 |