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 | 1 |
| 1 | 2 |
| 2 | 11 |
| 3 | 94 |
| 4 | 1037 |
| 5 | 14006 |
| 6 | 224695 |
| 7 | 4185098 |
| 8 | 88888889 |
| 9 | 2122152922 |
| 10 | 56288512931 |
| 11 | 1642813694534 |
| 12 | 52332842192581 |
| 13 | 1807181134905134 |
| 14 | 67253754435399407 |
| 15 | 2683521610790452306 |
| 16 | 114296029267382825201 |
| 17 | 5175920921241202064498 |