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 | 49284 |
| 2 | 2173565 |
| 3 | 87487117 |
| 4 | 2019310610 |
| 5 | 45791699846 |
| 6 | 687853333430 |
| 7 | 10297878073062 |
| 8 | 113754005579615 |
| 9 | 1254605391285859 |
| 10 | 10988697166912314 |
| 11 | 96030748646457765 |
| 12 | 701414832964037835 |
| 13 | 5107498255064984418 |