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 | 3 |
| 3 | 7 |
| 4 | 23 |
| 5 | 131 |
| 6 | 313 |
| 7 | 353 |
| 8 | 397 |
| 9 | 887 |
| 10 | 1307 |
| 11 | 1439 |
| 12 | 1783 |
| 13 | 2003 |
| 14 | 2027 |
| 15 | 2069 |
| 16 | 2111 |
| 17 | 2593 |
| 18 | 2777 |
| 19 | 3541 |
| 20 | 4111 |
| 21 | 4201 |
| 22 | 4889 |
| 23 | 5653 |
| 24 | 5897 |
| 25 | 6421 |
| 26 | 6823 |
| 27 | 8353 |
| 28 | 8447 |
| 29 | 9721 |
| 30 | 9749 |
| 31 | 11159 |
| 32 | 11483 |
| 33 | 12011 |
| 34 | 12073 |
| 35 | 12251 |
| 36 | 13313 |
| 37 | 14323 |
| 38 | 14431 |
| 39 | 15083 |
| 40 | 15131 |
| 41 | 15887 |
| 42 | 17029 |