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 | 67 |
| 3 | 1699 |
| 4 | 243479 |
| 5 | 99464527 |
| 6 | 11480698847 |
| 7 | 5585339988859 |
| 8 | 135071996601571 |
| 9 | 224232098281435141 |
| 10 | 263944947807498977479 |
| 11 | 32288380759169071350959 |
| 12 | 381031362411461360978228323 |
| 13 | 17534309533326861798094235120707 |
| 14 | 93027357395687656901633495854438781 |