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 | 5385063600 |
| 2 | 5978343600 |
| 3 | 6789558600 |
| 4 | 12965853600 |
| 5 | 31967238600 |
| 6 | 32035143600 |
| 7 | 37418554800 |
| 8 | 37884558600 |
| 9 | 44580472200 |
| 10 | 50221710000 |
| 11 | 69733758600 |
| 12 | 75900423600 |
| 13 | 77102532000 |
| 14 | 84093966000 |
| 15 | 85348494000 |
| 16 | 88147278000 |
| 17 | 89292423600 |
| 18 | 92472078600 |
| 19 | 98119278000 |
| 20 | 103449198600 |