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 | 198 |
| 2 | 18180 |
| 3 | 142310 |
| 4 | 1077890 |
| 5 | 1156870 |
| 6 | 1511930 |
| 7 | 1669910 |
| 8 | 2236570 |
| 9 | 2728726 |
| 10 | 3776580 |
| 11 | 4246130 |
| 12 | 4532710 |
| 13 | 5123090 |
| 14 | 5385310 |
| 15 | 6993610 |
| 16 | 7288930 |
| 17 | 8619765 |
| 18 | 8754130 |
| 19 | 8826070 |
| 20 | 9478910 |
| 21 | 10254970 |
| 22 | 14426230 |
| 23 | 17041010 |
| 24 | 17257695 |
| 25 | 21448630 |
| 26 | 30724694 |
| 27 | 34256222 |
| 28 | 35361326 |
| 29 | 37784810 |