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 | 13 |
| 2 | 67 |
| 3 | 199 |
| 4 | 223 |
| 5 | 313 |
| 6 | 499 |
| 7 | 523 |
| 8 | 991 |
| 9 | 1009 |
| 10 | 1021 |
| 11 | 1153 |
| 12 | 1213 |
| 13 | 1399 |
| 14 | 1483 |
| 15 | 1669 |
| 16 | 1789 |
| 17 | 1831 |
| 18 | 1861 |
| 19 | 1879 |
| 20 | 2089 |
| 21 | 2137 |
| 22 | 2287 |
| 23 | 2377 |
| 24 | 2551 |
| 25 | 2713 |
| 26 | 2797 |
| 27 | 2833 |
| 28 | 3061 |
| 29 | 3271 |
| 30 | 3319 |
| 31 | 3457 |
| 32 | 3583 |
| 33 | 3823 |
| 34 | 3853 |
| 35 | 3943 |
| 36 | 4027 |
| 37 | 4051 |
| 38 | 4177 |
| 39 | 4789 |
| 40 | 5011 |
| 41 | 5023 |