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 | 10 |
| 4 | 100 |
| 5 | 1000 |
| 6 | 10000 |
| 7 | 100000 |
| 8 | 107624 |
| 9 | 109573 |
| 10 | 132485 |
| 11 | 138624 |
| 12 | 159406 |
| 13 | 165640 |
| 14 | 192574 |
| 15 | 205738 |
| 16 | 215806 |
| 17 | 251894 |
| 18 | 281536 |
| 19 | 318725 |
| 20 | 419375 |
| 21 | 427863 |
| 22 | 568314 |
| 23 | 642510 |
| 24 | 713960 |
| 25 | 953867 |
| 26 | 954086 |
| 27 | 963218 |
| 28 | 965760 |
| 29 | 1000000 |
| 30 | 1008529 |
| 31 | 1023479 |