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 | 2 |
| 1 | 2 |
| 2 | 4 |
| 3 | 11 |
| 4 | 16 |
| 5 | 24 |
| 6 | 43 |
| 7 | 63 |
| 8 | 94 |
| 9 | 152 |
| 10 | 224 |
| 11 | 324 |
| 12 | 464 |
| 13 | 644 |
| 14 | 897 |
| 15 | 1271 |
| 16 | 1790 |
| 17 | 2521 |
| 18 | 3501 |
| 19 | 4814 |
| 20 | 6535 |
| 21 | 8779 |
| 22 | 11739 |
| 23 | 15585 |
| 24 | 20625 |
| 25 | 27166 |
| 26 | 35588 |
| 27 | 46363 |
| 28 | 60065 |
| 29 | 77424 |
| 30 | 99337 |
| 31 | 127020 |
| 32 | 161930 |
| 33 | 205847 |
| 34 | 260929 |
| 35 | 329782 |
| 36 | 415533 |
| 37 | 522173 |
| 38 | 654548 |
| 39 | 818278 |
| 40 | 1020391 |