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 | 2 |
| 2 | 4 |
| 3 | 7 |
| 4 | 13 |
| 5 | 22 |
| 6 | 36 |
| 7 | 56 |
| 8 | 91 |
| 9 | 135 |
| 10 | 211 |
| 11 | 307 |
| 12 | 446 |
| 13 | 625 |
| 14 | 882 |
| 15 | 1194 |
| 16 | 1677 |
| 17 | 2238 |
| 18 | 3031 |
| 19 | 4001 |
| 20 | 5460 |
| 21 | 6995 |
| 22 | 9302 |
| 23 | 11921 |
| 24 | 15424 |
| 25 | 19554 |
| 26 | 25032 |
| 27 | 31005 |
| 28 | 39170 |
| 29 | 48251 |
| 30 | 59917 |
| 31 | 73093 |
| 32 | 90831 |
| 33 | 109271 |
| 34 | 134049 |
| 35 | 160922 |
| 36 | 196109 |
| 37 | 234179 |
| 38 | 284157 |
| 39 | 335933 |
| 40 | 408390 |
| 41 | 482597 |
| 42 | 575109 |