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 | 239 |
| 2 | 10511 |
| 3 | 174378 |
| 4 | 1825800 |
| 5 | 15312504 |
| 6 | 118317987 |
| 7 | 911404794 |
| 8 | 7236130163 |
| 9 | 59751261572 |
| 10 | 512310103541 |
| 11 | 4533427479414 |
| 12 | 41097427928564 |
| 13 | 379017425099579 |
| 14 | 3535755438091183 |
| 15 | 33225644610034806 |
| 16 | 313628721090498518 |