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 | 4 |
| 5 | 6 |
| 6 | 10 |
| 7 | 16 |
| 8 | 34 |
| 9 | 46 |
| 10 | 94 |
| 11 | 146 |
| 12 | 156 |
| 13 | 166 |
| 14 | 170 |
| 15 | 194 |
| 16 | 198 |
| 17 | 206 |
| 18 | 308 |
| 19 | 456 |
| 20 | 610 |
| 21 | 614 |
| 22 | 734 |
| 23 | 1288 |
| 24 | 1512 |
| 25 | 1558 |
| 26 | 2066 |
| 27 | 2090 |
| 28 | 2122 |
| 29 | 3434 |
| 30 | 3560 |
| 31 | 3642 |
| 32 | 3896 |
| 33 | 4294 |
| 34 | 4534 |
| 35 | 4962 |
| 36 | 5022 |
| 37 | 5874 |
| 38 | 8002 |
| 39 | 9870 |
| 40 | 11358 |
| 41 | 11438 |
| 42 | 13350 |
| 43 | 15046 |
| 44 | 16046 |
| 45 | 20228 |
| 46 | 25014 |
| 47 | 30114 |
| 48 | 35668 |
| 49 | 38466 |
| 50 | 46702 |
| 51 | 48302 |