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 | 26 |
| 2 | 676 |
| 3 | 15578 |
| 4 | 368220 |
| 5 | 8679594 |
| 6 | 204211050 |
| 7 | 4803404048 |
| 8 | 112984025006 |
| 9 | 2657601417086 |
| 10 | 62512388662498 |
| 11 | 1470427119098160 |
| 12 | 34587669928567490 |
| 13 | 813578051651191626 |
| 14 | 19137146231249558584 |
| 15 | 450147804547520272046 |