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 | 23 |
| 2 | 139 |
| 3 | 239 |
| 4 | 241 |
| 5 | 409 |
| 6 | 431 |
| 7 | 577 |
| 8 | 647 |
| 9 | 761 |
| 10 | 787 |
| 11 | 1031 |
| 12 | 1051 |
| 13 | 1187 |
| 14 | 1319 |
| 15 | 1567 |
| 16 | 1831 |
| 17 | 1879 |
| 18 | 2069 |
| 19 | 2087 |
| 20 | 2281 |
| 21 | 2347 |
| 22 | 2351 |
| 23 | 2521 |
| 24 | 3061 |
| 25 | 3167 |
| 26 | 3347 |
| 27 | 3433 |
| 28 | 4049 |
| 29 | 4231 |
| 30 | 4283 |
| 31 | 4363 |
| 32 | 4447 |
| 33 | 4999 |
| 34 | 5437 |
| 35 | 5669 |
| 36 | 5689 |
| 37 | 5869 |
| 38 | 7499 |
| 39 | 7607 |
| 40 | 7681 |
| 41 | 7687 |
| 42 | 7841 |
| 43 | 7907 |
| 44 | 8039 |