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 | 277816 |
| 2 | 618772 |
| 3 | 14339143 |
| 4 | 34193341 |
| 5 | 1125355221 |
| 6 | 1225535211 |
| 7 | 2613391326 |
| 8 | 6231933162 |
| 9 | 26157457326 |
| 10 | 62375475162 |
| 11 | 100504263021 |
| 12 | 102407325111 |
| 13 | 111523704201 |
| 14 | 120362405001 |
| 15 | 144326261443 |
| 16 | 275603902756 |
| 17 | 277816277816 |
| 18 | 344162623441 |
| 19 | 392739273927 |
| 20 | 392875758639 |