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 | 211 |
| 2 | 223 |
| 3 | 311 |
| 4 | 337 |
| 5 | 373 |
| 6 | 389 |
| 7 | 547 |
| 8 | 571 |
| 9 | 1123 |
| 10 | 1153 |
| 11 | 1319 |
| 12 | 1931 |
| 13 | 2237 |
| 14 | 2311 |
| 15 | 2341 |
| 16 | 2371 |
| 17 | 2557 |
| 18 | 2719 |
| 19 | 2797 |
| 20 | 2953 |
| 21 | 2971 |
| 22 | 3167 |
| 23 | 3181 |
| 24 | 3191 |
| 25 | 3257 |
| 26 | 3313 |
| 27 | 3329 |
| 28 | 3347 |
| 29 | 3449 |
| 30 | 3457 |
| 31 | 3461 |
| 32 | 3463 |
| 33 | 3517 |
| 34 | 3541 |
| 35 | 3547 |
| 36 | 3557 |
| 37 | 3571 |
| 38 | 3643 |
| 39 | 3701 |
| 40 | 3709 |
| 41 | 3727 |
| 42 | 3733 |
| 43 | 3739 |