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 | 25 |
| 2 | 77 |
| 3 | 403 |
| 4 | 1121 |
| 5 | 3379 |
| 6 | 7697 |
| 7 | 16897 |
| 8 | 25769 |
| 9 | 56341 |
| 10 | 63983 |
| 11 | 107447 |
| 12 | 129709 |
| 13 | 192403 |
| 14 | 222529 |
| 15 | 238999 |
| 16 | 328157 |
| 17 | 361259 |
| 18 | 466933 |
| 19 | 515909 |
| 20 | 645719 |
| 21 | 817009 |
| 22 | 1219637 |
| 23 | 1299433 |
| 24 | 1508917 |
| 25 | 1952359 |
| 26 | 2359943 |
| 27 | 2642597 |
| 28 | 2815831 |
| 29 | 3060037 |
| 30 | 3260713 |