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 | 7 |
| 2 | 19 |
| 3 | 43 |
| 4 | 103 |
| 5 | 307 |
| 6 | 419 |
| 7 | 1367 |
| 8 | 2647 |
| 9 | 7411 |
| 10 | 7823 |
| 11 | 11239 |
| 12 | 11699 |
| 13 | 31511 |
| 14 | 47051 |
| 15 | 148063 |
| 16 | 288179 |
| 17 | 360779 |
| 18 | 425779 |
| 19 | 507347 |
| 20 | 666403 |
| 21 | 1414943 |
| 22 | 2199143 |
| 23 | 3358423 |
| 24 | 9287939 |
| 25 | 11512843 |
| 26 | 11648887 |
| 27 | 24315443 |
| 28 | 42454267 |
| 29 | 145555231 |
| 30 | 161720627 |
| 31 | 184008203 |
| 32 | 766669427 |