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 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 5 |
| 5 | 7 |
| 6 | 11 |
| 7 | 15 |
| 8 | 22 |
| 9 | 30 |
| 10 | 42 |
| 11 | 56 |
| 12 | 76 |
| 13 | 99 |
| 14 | 131 |
| 15 | 169 |
| 16 | 219 |
| 17 | 278 |
| 18 | 355 |
| 19 | 445 |
| 20 | 560 |
| 21 | 695 |
| 22 | 863 |
| 23 | 1060 |
| 24 | 1303 |
| 25 | 1586 |
| 26 | 1930 |
| 27 | 2331 |
| 28 | 2812 |
| 29 | 3370 |
| 30 | 4035 |
| 31 | 4802 |
| 32 | 5708 |
| 33 | 6751 |
| 34 | 7972 |
| 35 | 9373 |
| 36 | 11004 |
| 37 | 12866 |
| 38 | 15021 |
| 39 | 17475 |
| 40 | 20298 |
| 41 | 23501 |
| 42 | 27169 |
| 43 | 31316 |
| 44 | 36043 |
| 45 | 41373 |
| 46 | 47420 |
| 47 | 54218 |
| 48 | 61903 |
| 49 | 70515 |
| 50 | 80215 |
| 51 | 91058 |
| 52 | 103226 |
| 53 | 116792 |
| 54 | 131970 |
| 55 | 148848 |