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) |
|---|---|
| 0 | 5 |
| 1 | 31 |
| 2 | 112 |
| 3 | 308 |
| 4 | 714 |
| 5 | 1470 |
| 6 | 2772 |
| 7 | 4884 |
| 8 | 8151 |
| 9 | 13013 |
| 10 | 20020 |
| 11 | 29848 |
| 12 | 43316 |
| 13 | 61404 |
| 14 | 85272 |
| 15 | 116280 |
| 16 | 156009 |
| 17 | 206283 |
| 18 | 269192 |
| 19 | 347116 |
| 20 | 442750 |
| 21 | 559130 |
| 22 | 699660 |
| 23 | 868140 |
| 24 | 1068795 |
| 25 | 1306305 |
| 26 | 1585836 |
| 27 | 1913072 |
| 28 | 2294248 |
| 29 | 2736184 |
| 30 | 3246320 |
| 31 | 3832752 |