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 | 1 |
| 2 | 3 |
| 3 | 49 |
| 4 | 35713 |
| 5 | 102851 |
| 6 | 949818597 |
| 7 | 1070640001 |
| 8 | 74145779101 |
| 9 | 138452510557 |
| 10 | 158236686397 |
| 11 | 640606652893 |
| 12 | 2814821518321 |
| 13 | 9081196437853 |
| 14 | 36236716613821 |
| 15 | 97748813502577 |
| 16 | 185178952282141 |
| 17 | 433755354387133 |