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 | 50009249009 |
| 2 | 50013888949 |
| 3 | 50026649293 |
| 4 | 50034769913 |
| 5 | 50040570647 |
| 6 | 50044051097 |
| 7 | 50048691751 |
| 8 | 50049851921 |
| 9 | 50052172319 |
| 10 | 50060293967 |
| 11 | 50062614541 |
| 12 | 50063774837 |
| 13 | 50100909293 |
| 14 | 50105551547 |
| 15 | 50106712127 |
| 16 | 50107872707 |
| 17 | 50109033287 |
| 18 | 50131085677 |
| 19 | 50135728421 |
| 20 | 50142692681 |