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 | 17 |
| 5 | 19 |
| 6 | 31 |
| 7 | 71 |
| 8 | 73 |
| 9 | 97 |
| 10 | 127 |
| 11 | 163 |
| 12 | 199 |
| 13 | 241 |
| 14 | 337 |
| 15 | 449 |
| 16 | 577 |
| 17 | 647 |
| 18 | 881 |
| 19 | 883 |
| 20 | 967 |
| 21 | 1151 |
| 22 | 1153 |
| 23 | 1249 |
| 24 | 1459 |
| 25 | 1567 |
| 26 | 1801 |
| 27 | 2179 |
| 28 | 2311 |
| 29 | 2591 |
| 30 | 2593 |
| 31 | 2887 |
| 32 | 3041 |
| 33 | 3361 |
| 34 | 3527 |
| 35 | 3529 |
| 36 | 3697 |
| 37 | 4049 |
| 38 | 4051 |
| 39 | 4231 |
| 40 | 4801 |
| 41 | 4999 |
| 42 | 5407 |
| 43 | 6271 |
| 44 | 6961 |
| 45 | 7687 |
| 46 | 7937 |
| 47 | 8191 |
| 48 | 8713 |
| 49 | 9521 |
| 50 | 10369 |
| 51 | 10657 |