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 | 2 |
| 2 | 11 |
| 3 | 23 |
| 4 | 101 |
| 5 | 149 |
| 6 | 227 |
| 7 | 239 |
| 8 | 269 |
| 9 | 353 |
| 10 | 479 |
| 11 | 557 |
| 12 | 569 |
| 13 | 647 |
| 14 | 683 |
| 15 | 809 |
| 16 | 827 |
| 17 | 983 |
| 18 | 1289 |
| 19 | 1607 |
| 20 | 1619 |
| 21 | 1823 |
| 22 | 1901 |
| 23 | 1907 |
| 24 | 2039 |
| 25 | 2213 |
| 26 | 2411 |
| 27 | 2447 |
| 28 | 2843 |
| 29 | 2879 |
| 30 | 2957 |
| 31 | 2963 |
| 32 | 3011 |
| 33 | 3119 |
| 34 | 3257 |
| 35 | 3389 |
| 36 | 3557 |
| 37 | 3671 |
| 38 | 3833 |
| 39 | 3923 |
| 40 | 4001 |
| 41 | 4019 |
| 42 | 4397 |
| 43 | 4943 |
| 44 | 5099 |
| 45 | 5309 |
| 46 | 5441 |
| 47 | 5471 |