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 | 106 |
| 2 | 3636 |
| 3 | 110854 |
| 4 | 3167295 |
| 5 | 86468392 |
| 6 | 2279060645 |
| 7 | 58497330607 |
| 8 | 1470248361721 |
| 9 | 36345145877004 |
| 10 | 886386298107620 |
| 11 | 21376162175779039 |
| 12 | 510658443459103773 |
| 13 | 12100575606121151494 |
| 14 | 284720818089996296210 |
| 15 | 6658048676892055486889 |