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 | 5 |
| 2 | 26 |
| 3 | 42 |
| 4 | 45 |
| 5 | 84 |
| 6 | 2577 |
| 7 | 6837 |
| 8 | 18441 |
| 9 | 43190 |
| 10 | 65404 |
| 11 | 502536 |
| 12 | 2987594 |
| 13 | 5828519 |
| 14 | 41429808 |
| 15 | 431610158 |
| 16 | 1524989277 |
| 17 | 4301621811 |
| 18 | 5681026585 |
| 19 | 21585646103 |
| 20 | 26950130930 |
| 21 | 174893227975 |
| 22 | 334043333925 |
| 23 | 453875893331 |
| 24 | 633636954317 |
| 25 | 17921965531082 |
| 26 | 29347098990308 |