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 | 3 |
| 1 | 2656 |
| 2 | 153158 |
| 3 | 2719737 |
| 4 | 25329517 |
| 5 | 156833689 |
| 6 | 732668048 |
| 7 | 2785009761 |
| 8 | 9043820751 |
| 9 | 10100451203 |
| 10 | 28651053091 |
| 11 | 73647267737 |
| 12 | 174494022689 |
| 13 | 386046667791 |
| 14 | 805597255756 |
| 15 | 1598439946772 |
| 16 | 3035188107565 |
| 17 | 5544826424247 |