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) |
|---|---|
| 4 | 1 |
| 5 | 1 |
| 6 | 1 |
| 7 | 2 |
| 8 | 3 |
| 9 | 5 |
| 10 | 8 |
| 11 | 12 |
| 12 | 19 |
| 13 | 26 |
| 14 | 40 |
| 15 | 51 |
| 16 | 76 |
| 17 | 92 |
| 18 | 133 |
| 19 | 155 |
| 20 | 218 |
| 21 | 247 |
| 22 | 339 |
| 23 | 376 |
| 24 | 505 |
| 25 | 551 |
| 26 | 726 |
| 27 | 782 |
| 28 | 1013 |
| 29 | 1080 |
| 30 | 1378 |
| 31 | 1457 |
| 32 | 1834 |
| 33 | 1926 |
| 34 | 2395 |
| 35 | 2501 |
| 36 | 3076 |
| 37 | 3197 |
| 38 | 3893 |
| 39 | 4030 |
| 40 | 4863 |
| 41 | 5017 |
| 42 | 6004 |
| 43 | 6176 |
| 44 | 7335 |
| 45 | 7526 |
| 46 | 8876 |
| 47 | 9087 |