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 | 778 |
| 2 | 91058 |
| 3 | 1639804 |
| 4 | 13587804 |
| 5 | 72366820 |
| 6 | 288237528 |
| 7 | 936121220 |
| 8 | 2613794508 |
| 9 | 6492378076 |
| 10 | 14694189538 |
| 11 | 30833955936 |
| 12 | 60757353766 |
| 13 | 113535692414 |
| 14 | 202761648044 |
| 15 | 348183768616 |
| 16 | 577776075892 |
| 17 | 930286238568 |
| 18 | 1458297755836 |