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 | 4 |
| 2 | 5 |
| 3 | 7 |
| 4 | 9 |
| 5 | 11 |
| 6 | 15 |
| 7 | 21 |
| 8 | 25 |
| 9 | 29 |
| 10 | 49 |
| 11 | 79 |
| 12 | 87 |
| 13 | 95 |
| 14 | 125 |
| 15 | 133 |
| 16 | 153 |
| 17 | 157 |
| 18 | 185 |
| 19 | 201 |
| 20 | 217 |
| 21 | 223 |
| 22 | 289 |
| 23 | 323 |
| 24 | 469 |
| 25 | 533 |
| 26 | 567 |
| 27 | 821 |
| 28 | 1001 |
| 29 | 1999 |
| 30 | 2523 |
| 31 | 2533 |
| 32 | 2827 |
| 33 | 2843 |
| 34 | 4821 |
| 35 | 8153 |
| 36 | 8947 |
| 37 | 12739 |
| 38 | 19353 |
| 39 | 22929 |
| 40 | 30629 |
| 41 | 31809 |
| 42 | 37785 |
| 43 | 74913 |
| 44 | 97411 |