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 | 20 |
| 2 | 45 |
| 3 | 82 |
| 4 | 131 |
| 5 | 192 |
| 6 | 265 |
| 7 | 350 |
| 8 | 447 |
| 9 | 556 |
| 10 | 677 |
| 11 | 810 |
| 12 | 955 |
| 13 | 1112 |
| 14 | 1281 |
| 15 | 1462 |
| 16 | 1655 |
| 17 | 1860 |
| 18 | 2077 |
| 19 | 2306 |
| 20 | 2547 |
| 21 | 2800 |
| 22 | 3065 |
| 23 | 3342 |
| 24 | 3631 |
| 25 | 3932 |
| 26 | 4245 |
| 27 | 4570 |
| 28 | 4907 |
| 29 | 5256 |
| 30 | 5617 |
| 31 | 5990 |
| 32 | 6375 |
| 33 | 6772 |
| 34 | 7181 |
| 35 | 7602 |
| 36 | 8035 |
| 37 | 8480 |
| 38 | 8937 |
| 39 | 9406 |
| 40 | 9887 |
| 41 | 10380 |