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 | 6 |
| 2 | 76 |
| 3 | 1000 |
| 4 | 13870 |
| 5 | 198626 |
| 6 | 2902782 |
| 7 | 43019382 |
| 8 | 644099772 |
| 9 | 9719235072 |
| 10 | 147565763892 |
| 11 | 2251664727612 |
| 12 | 34499268410712 |
| 13 | 530417801358816 |
| 14 | 8179108402119256 |
| 15 | 126443689966980680 |
| 16 | 1959067830909571214 |