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) |
|---|---|
| 3 | 5 |
| 4 | 11 |
| 5 | 19 |
| 6 | 569 |
| 7 | 41 |
| 8 | 2423 |
| 9 | 207593 |
| 10 | 23456789 |
| 11 | 811 |
| 12 | 160403 |
| 13 | 95401 |
| 14 | 235776949 |
| 15 | 208888661909 |
| 16 | 9927935178558959 |
| 17 | 889872307619 |
| 18 | 14707209648376466477 |
| 19 | 1245691 |
| 20 | 340387811 |
| 21 | 96209320840499118292907 |
| 22 | 9614505639105223858867 |
| 23 | 1068038871569 |
| 24 | 28923381229 |
| 25 | 202821360694037 |
| 26 | 409991957243270502360389 |