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 | 6 |
| 2 | 55 |
| 3 | 66 |
| 4 | 666 |
| 5 | 5565 |
| 6 | 6555 |
| 7 | 5656566 |
| 8 | 5676765 |
| 9 | 6655776 |
| 10 | 56567566 |
| 11 | 575675766555 |
| 12 | 677767555675 |
| 13 | 555665666566566 |
| 14 | 555667666766556 |
| 15 | 5755656755766655 |
| 16 | 565767676566675765 |
| 17 | 7557657566575767666 |
| 18 | 5555555666655656666556566566566 |