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) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 27 |
| 3 | 35 |
| 4 | 235 |
| 5 | 243 |
| 6 | 443 |
| 7 | 499 |
| 8 | 1899 |
| 9 | 1907 |
| 10 | 2107 |
| 11 | 2163 |
| 12 | 3563 |
| 13 | 3619 |
| 14 | 5019 |
| 15 | 5411 |
| 16 | 15211 |
| 17 | 15219 |
| 18 | 15419 |
| 19 | 15475 |
| 20 | 16875 |
| 21 | 16931 |
| 22 | 18331 |
| 23 | 18723 |
| 24 | 28523 |
| 25 | 28579 |
| 26 | 29979 |
| 27 | 30371 |
| 28 | 40171 |
| 29 | 40563 |
| 30 | 50363 |
| 31 | 53107 |
| 32 | 121707 |
| 33 | 121715 |
| 34 | 121915 |
| 35 | 121971 |
| 36 | 123371 |
| 37 | 123427 |
| 38 | 124827 |
| 39 | 125219 |
| 40 | 135019 |