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 | 29 |
| 2 | 71 |
| 3 | 149 |
| 4 | 191 |
| 5 | 239 |
| 6 | 359 |
| 7 | 389 |
| 8 | 431 |
| 9 | 599 |
| 10 | 701 |
| 11 | 821 |
| 12 | 911 |
| 13 | 1031 |
| 14 | 1061 |
| 15 | 1229 |
| 16 | 1439 |
| 17 | 1709 |
| 18 | 1871 |
| 19 | 1901 |
| 20 | 2039 |
| 21 | 2069 |
| 22 | 2111 |
| 23 | 2381 |
| 24 | 2549 |
| 25 | 2591 |
| 26 | 2711 |
| 27 | 2741 |
| 28 | 2879 |
| 29 | 2909 |
| 30 | 3119 |
| 31 | 3221 |
| 32 | 3389 |
| 33 | 3581 |
| 34 | 3719 |
| 35 | 4229 |
| 36 | 4271 |
| 37 | 4349 |
| 38 | 4391 |
| 39 | 4421 |
| 40 | 4799 |
| 41 | 5021 |
| 42 | 5189 |