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 | 86 |
| 2 | 7396 |
| 3 | 310396 |
| 4 | 7291180 |
| 5 | 111026387 |
| 6 | 1215505987 |
| 7 | 10278415020 |
| 8 | 70637615542 |
| 9 | 409495177832 |
| 10 | 2059270878998 |
| 11 | 9178828735664 |
| 12 | 36883354080922 |
| 13 | 135437433227956 |
| 14 | 459525932946746 |
| 15 | 1453793476211931 |
| 16 | 4321377067061981 |
| 17 | 12146690423924810 |