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 | 130 |
| 2 | 3526 |
| 3 | 38561 |
| 4 | 272130 |
| 5 | 1460836 |
| 6 | 6425876 |
| 7 | 24197608 |
| 8 | 80350989 |
| 9 | 240416852 |
| 10 | 658890738 |
| 11 | 1675303647 |
| 12 | 3992383968 |
| 13 | 8991162356 |
| 14 | 19265941324 |
| 15 | 39500748718 |
| 16 | 77861024489 |
| 17 | 148143119762 |
| 18 | 273013479180 |
| 19 | 488783426991 |
| 20 | 852309147046 |
| 21 | 1450785202572 |
| 22 | 2415419887660 |
| 23 | 3940248617356 |