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 | 7 |
| 2 | 11 |
| 3 | 107 |
| 4 | 127 |
| 5 | 211 |
| 6 | 239 |
| 7 | 263 |
| 8 | 547 |
| 9 | 571 |
| 10 | 739 |
| 11 | 743 |
| 12 | 919 |
| 13 | 1019 |
| 14 | 1163 |
| 15 | 1283 |
| 16 | 1471 |
| 17 | 1579 |
| 18 | 1583 |
| 19 | 1619 |
| 20 | 1667 |
| 21 | 1759 |
| 22 | 2111 |
| 23 | 2339 |
| 24 | 2503 |
| 25 | 2543 |
| 26 | 2683 |
| 27 | 2767 |
| 28 | 2879 |
| 29 | 3571 |
| 30 | 3607 |
| 31 | 3691 |
| 32 | 3739 |
| 33 | 3847 |
| 34 | 3907 |
| 35 | 4099 |
| 36 | 4111 |
| 37 | 4127 |
| 38 | 4391 |
| 39 | 4463 |
| 40 | 4831 |
| 41 | 4967 |
| 42 | 5147 |