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 | 31 |
| 2 | 223 |
| 3 | 433 |
| 4 | 439 |
| 5 | 457 |
| 6 | 727 |
| 7 | 919 |
| 8 | 1327 |
| 9 | 1399 |
| 10 | 1423 |
| 11 | 1471 |
| 12 | 1831 |
| 13 | 1999 |
| 14 | 2017 |
| 15 | 2287 |
| 16 | 2383 |
| 17 | 2671 |
| 18 | 2767 |
| 19 | 2791 |
| 20 | 2953 |
| 21 | 3271 |
| 22 | 3343 |
| 23 | 3457 |
| 24 | 3463 |
| 25 | 3607 |
| 26 | 3631 |
| 27 | 3823 |
| 28 | 3889 |
| 29 | 4129 |
| 30 | 4423 |
| 31 | 4519 |
| 32 | 4567 |
| 33 | 4663 |
| 34 | 4729 |
| 35 | 4759 |
| 36 | 5167 |
| 37 | 5449 |
| 38 | 5503 |
| 39 | 5953 |
| 40 | 6007 |
| 41 | 6079 |
| 42 | 6151 |
| 43 | 6217 |
| 44 | 6271 |
| 45 | 6673 |
| 46 | 6961 |
| 47 | 6967 |
| 48 | 7321 |