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 | 12 |
| 3 | 63 |
| 4 | 126 |
| 5 | 513 |
| 6 | 1026 |
| 7 | 2107 |
| 8 | 4214 |
| 9 | 12625 |
| 10 | 25250 |
| 11 | 26533 |
| 12 | 39609 |
| 13 | 53066 |
| 14 | 79218 |
| 15 | 355023 |
| 16 | 710046 |
| 17 | 3190833 |
| 18 | 4457713 |
| 19 | 6381666 |
| 20 | 8915426 |
| 21 | 19854847 |
| 22 | 38463283 |
| 23 | 39709694 |
| 24 | 76926566 |
| 25 | 242138449 |
| 26 | 370634743 |
| 27 | 484276898 |
| 28 | 516465451 |
| 29 | 574336561 |
| 30 | 701607583 |
| 31 | 741269486 |
| 32 | 1032930902 |
| 33 | 1148673122 |
| 34 | 1380336193 |
| 35 | 1403215166 |
| 36 | 2324581983 |
| 37 | 2760672386 |
| 38 | 4649163966 |
| 39 | 4882890625 |
| 40 | 6174434113 |
| 41 | 9765781250 |