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 | 6203 |
| 2 | 16067 |
| 3 | 72367 |
| 4 | 105653 |
| 5 | 179743 |
| 6 | 323903 |
| 7 | 1005467 |
| 8 | 1040113 |
| 9 | 1276243 |
| 10 | 1331527 |
| 11 | 1582447 |
| 12 | 1838297 |
| 13 | 1894873 |
| 14 | 2202433 |
| 15 | 2314603 |
| 16 | 2366993 |
| 17 | 2369033 |
| 18 | 2416943 |
| 19 | 2533627 |
| 20 | 2698697 |
| 21 | 2804437 |
| 22 | 2806613 |
| 23 | 2823277 |
| 24 | 2826337 |
| 25 | 2851867 |
| 26 | 2888693 |
| 27 | 3911783 |
| 28 | 4217617 |
| 29 | 4432837 |
| 30 | 4475473 |