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) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 1 |
| 5 | 2 |
| 6 | 4 |
| 7 | 5 |
| 8 | 8 |
| 9 | 11 |
| 10 | 16 |
| 11 | 23 |
| 12 | 34 |
| 13 | 50 |
| 14 | 74 |
| 15 | 111 |
| 16 | 166 |
| 17 | 250 |
| 18 | 376 |
| 19 | 574 |
| 20 | 871 |
| 21 | 1329 |
| 22 | 2033 |
| 23 | 3120 |
| 24 | 4794 |
| 25 | 7396 |
| 26 | 11425 |
| 27 | 17688 |
| 28 | 27426 |
| 29 | 42612 |
| 30 | 66317 |
| 31 | 103298 |
| 32 | 161207 |
| 33 | 251757 |
| 34 | 393790 |
| 35 | 616645 |
| 36 | 966507 |
| 37 | 1516410 |
| 38 | 2381429 |
| 39 | 3743010 |
| 40 | 5888201 |
| 41 | 9269519 |
| 42 | 14604028 |
| 43 | 23023555 |
| 44 | 36322186 |
| 45 | 57337078 |
| 46 | 90565070 |
| 47 | 143130478 |