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 | 15012 |
| 2 | 124956 |
| 3 | 128412 |
| 4 | 135972 |
| 5 | 186732 |
| 6 | 219520 |
| 7 | 241812 |
| 8 | 377892 |
| 9 | 414180 |
| 10 | 420660 |
| 11 | 447876 |
| 12 | 453060 |
| 13 | 453492 |
| 14 | 497772 |
| 15 | 504036 |
| 16 | 515052 |
| 17 | 523044 |
| 18 | 528876 |
| 19 | 544212 |
| 20 | 658560 |
| 21 | 776412 |
| 22 | 826956 |
| 23 | 1009792 |
| 24 | 1020060 |
| 25 | 1135836 |
| 26 | 1191132 |
| 27 | 1425060 |
| 28 | 1467180 |
| 29 | 1511892 |