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 | 987653201 |
| 2 | 987652301 |
| 3 | 987650231 |
| 4 | 987643021 |
| 5 | 987640321 |
| 6 | 987630251 |
| 7 | 987615203 |
| 8 | 987603521 |
| 9 | 987602531 |
| 10 | 987563021 |
| 11 | 987546103 |
| 12 | 987542063 |
| 13 | 987540613 |
| 14 | 987536201 |
| 15 | 987526103 |
| 16 | 987502643 |
| 17 | 987460531 |
| 18 | 987435061 |
| 19 | 987432601 |
| 20 | 987423601 |
| 21 | 987405163 |