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 | 0 |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 4 |
| 6 | 5 |
| 7 | 6 |
| 8 | 7 |
| 9 | 9 |
| 10 | 16 |
| 11 | 23 |
| 12 | 27 |
| 13 | 36 |
| 14 | 69 |
| 15 | 74 |
| 16 | 81 |
| 17 | 96 |
| 18 | 127 |
| 19 | 181 |
| 20 | 187 |
| 21 | 296 |
| 22 | 874 |
| 23 | 2327 |
| 24 | 2369 |
| 25 | 2723 |
| 26 | 2727 |
| 27 | 2763 |
| 28 | 3816 |
| 29 | 4589 |
| 30 | 5874 |
| 31 | 6563 |
| 32 | 6589 |
| 33 | 6727 |
| 34 | 8323 |
| 35 | 10181 |
| 36 | 12723 |
| 37 | 18163 |
| 38 | 18587 |
| 39 | 21236 |
| 40 | 21274 |
| 41 | 29236 |
| 42 | 29274 |
| 43 | 30127 |
| 44 | 43296 |
| 45 | 52361 |
| 46 | 78163 |
| 47 | 87616 |