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 | 0 |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 4 |
| 6 | 5 |
| 7 | 45240 |
| 8 | 45241 |
| 9 | 45242 |
| 10 | 45243 |
| 11 | 45244 |
| 12 | 45245 |
| 13 | 54000 |
| 14 | 54001 |
| 15 | 54002 |
| 16 | 54003 |
| 17 | 54004 |
| 18 | 54005 |
| 19 | 304200 |
| 20 | 304201 |
| 21 | 304202 |
| 22 | 304203 |
| 23 | 304204 |
| 24 | 304205 |
| 25 | 3240000 |
| 26 | 3240001 |
| 27 | 3240002 |
| 28 | 3240003 |
| 29 | 3240004 |
| 30 | 3240005 |
| 31 | 3544200 |
| 32 | 3544201 |
| 33 | 3544202 |