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 | 3 |
| 3 | 4 |
| 4 | 10 |
| 5 | 8 |
| 6 | 29 |
| 7 | 16 |
| 8 | 64 |
| 9 | 58 |
| 10 | 124 |
| 11 | 57 |
| 12 | 469 |
| 13 | 102 |
| 14 | 489 |
| 15 | 763 |
| 16 | 1597 |
| 17 | 298 |
| 18 | 3858 |
| 19 | 491 |
| 20 | 8942 |
| 21 | 6355 |
| 22 | 6187 |
| 23 | 1256 |
| 24 | 59076 |
| 25 | 18766 |
| 26 | 20830 |
| 27 | 49694 |
| 28 | 167078 |
| 29 | 4566 |
| 30 | 481186 |
| 31 | 6843 |
| 32 | 752128 |
| 33 | 362907 |
| 34 | 231592 |
| 35 | 1597802 |
| 36 | 5951007 |
| 37 | 21638 |
| 38 | 790404 |
| 39 | 2655810 |
| 40 | 25274798 |
| 41 | 44584 |
| 42 | 40898731 |