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 | 8 |
| 1 | 9 |
| 2 | 17 |
| 3 | 94 |
| 4 | 487 |
| 5 | 581 |
| 6 | 1068 |
| 7 | 17669 |
| 8 | 18737 |
| 9 | 36406 |
| 10 | 200767 |
| 11 | 1040241 |
| 12 | 1241008 |
| 13 | 2281249 |
| 14 | 37740992 |
| 15 | 40022241 |
| 16 | 77763233 |
| 17 | 428838406 |
| 18 | 2221955263 |
| 19 | 2650793669 |
| 20 | 4872748932 |
| 21 | 80614776581 |
| 22 | 85487525513 |
| 23 | 166102302094 |
| 24 | 915999035983 |
| 25 | 4746097482009 |
| 26 | 5662096517992 |