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 | 12495360 |
| 2 | 12573480 |
| 3 | 12576840 |
| 4 | 12579360 |
| 5 | 12597840 |
| 6 | 12639840 |
| 7 | 12657480 |
| 8 | 12738960 |
| 9 | 12765840 |
| 10 | 12789360 |
| 11 | 12843960 |
| 12 | 12894360 |
| 13 | 12957360 |
| 14 | 12975840 |
| 15 | 12978360 |
| 16 | 13276840 |
| 17 | 13297840 |
| 18 | 13567480 |
| 19 | 13579240 |
| 20 | 13672480 |
| 21 | 13675840 |