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 | 36814 |
| 2 | 126606 |
| 3 | 445780 |
| 4 | 1581686 |
| 5 | 5622580 |
| 6 | 19960518 |
| 7 | 70600212 |
| 8 | 248263590 |
| 9 | 865983608 |
| 10 | 3027296124 |
| 11 | 10612842491 |
| 12 | 37272366925 |
| 13 | 131018316920 |
| 14 | 460663150544 |
| 15 | 1619367566685 |
| 16 | 5689883208343 |
| 17 | 19982014129382 |
| 18 | 70158722229804 |