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 | 7 |
| 1 | 29 |
| 2 | 36 |
| 3 | 101 |
| 4 | 137 |
| 5 | 649 |
| 6 | 9223 |
| 7 | 37541 |
| 8 | 46764 |
| 9 | 131069 |
| 10 | 177833 |
| 11 | 842401 |
| 12 | 11971447 |
| 13 | 48728189 |
| 14 | 60699636 |
| 15 | 170127461 |
| 16 | 230827097 |
| 17 | 1093435849 |
| 18 | 15538928983 |
| 19 | 63249151781 |
| 20 | 78788080764 |
| 21 | 220825313309 |
| 22 | 299613394073 |