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 | 19 |
| 2 | 67695 |
| 3 | 411292 |
| 4 | 1134035 |
| 5 | 1184876 |
| 6 | 2112836 |
| 7 | 2455255 |
| 8 | 4073384 |
| 9 | 11293009 |
| 10 | 16171470 |
| 11 | 18589912 |
| 12 | 34388501 |
| 13 | 63609329 |
| 14 | 63711615 |
| 15 | 117446600 |
| 16 | 166530856 |
| 17 | 284034387 |
| 18 | 449805631 |
| 19 | 637548135 |
| 20 | 685361103 |
| 21 | 783484793 |
| 22 | 888180400 |
| 23 | 1121365940 |