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 | 317130731 |
| 2 | 521142283 |
| 3 | 557010073 |
| 4 | 1000702693 |
| 5 | 1281321101 |
| 6 | 1613435111 |
| 7 | 1802692181 |
| 8 | 2010808001 |
| 9 | 2012656781 |
| 10 | 2238160121 |
| 11 | 2352422231 |
| 12 | 3361114331 |
| 13 | 4302122501 |
| 14 | 4902109481 |
| 15 | 5044120093 |
| 16 | 6276507313 |
| 17 | 6542906413 |
| 18 | 7230842923 |