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 | 164 |
| 2 | 4144 |
| 3 | 122497 |
| 4 | 3576912 |
| 5 | 104382552 |
| 6 | 3043629267 |
| 7 | 89084628843 |
| 8 | 2599351293506 |
| 9 | 76022735747576 |
| 10 | 2220055036850204 |
| 11 | 64891952478301245 |
| 12 | 1895740602154065042 |
| 13 | 55399224157117918936 |
| 14 | 1618646788430829125358 |
| 15 | 47297972275705523494868 |