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) |
|---|---|
| 5 | 0 |
| 6 | 0 |
| 7 | 4 |
| 8 | 5 |
| 9 | 5 |
| 10 | 4 |
| 11 | 5 |
| 12 | 6 |
| 13 | 6 |
| 14 | 7 |
| 15 | 23 |
| 16 | 24 |
| 17 | 120 |
| 18 | 103 |
| 19 | 341 |
| 20 | 326 |
| 21 | 814 |
| 22 | 793 |
| 23 | 1795 |
| 24 | 1780 |
| 25 | 3796 |
| 26 | 3771 |
| 27 | 7841 |
| 28 | 7818 |
| 29 | 15978 |
| 30 | 15949 |
| 31 | 32303 |
| 32 | 32304 |
| 33 | 65008 |
| 34 | 64975 |
| 35 | 130477 |
| 36 | 130446 |
| 37 | 261478 |
| 38 | 261441 |
| 39 | 523547 |
| 40 | 523516 |
| 41 | 1047756 |
| 42 | 1047715 |
| 43 | 2096249 |
| 44 | 2096210 |
| 45 | 4193314 |
| 46 | 4193269 |
| 47 | 8387527 |
| 48 | 8387496 |
| 49 | 16776040 |
| 50 | 16775991 |