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 | 8 |
| 2 | 64 |
| 3 | 200 |
| 4 | 643 |
| 5 | 1759 |
| 6 | 4939 |
| 7 | 14446 |
| 8 | 41505 |
| 9 | 118266 |
| 10 | 339548 |
| 11 | 975493 |
| 12 | 2795633 |
| 13 | 8015023 |
| 14 | 22994104 |
| 15 | 65948845 |
| 16 | 189120690 |
| 17 | 542403026 |
| 18 | 1555646545 |
| 19 | 4461518045 |
| 20 | 12795484071 |
| 21 | 36697414724 |
| 22 | 105247642363 |
| 23 | 301847990088 |
| 24 | 865695191094 |
| 25 | 2482800552095 |