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 | 1 |
| 2 | 3 |
| 3 | 5 |
| 4 | 11 |
| 5 | 21 |
| 6 | 35 |
| 7 | 63 |
| 8 | 97 |
| 9 | 153 |
| 10 | 229 |
| 11 | 351 |
| 12 | 474 |
| 13 | 714 |
| 14 | 957 |
| 15 | 1329 |
| 16 | 1760 |
| 17 | 2430 |
| 18 | 3061 |
| 19 | 4159 |
| 20 | 5176 |
| 21 | 6774 |
| 22 | 8413 |
| 23 | 10879 |
| 24 | 13075 |
| 25 | 16774 |
| 26 | 20116 |
| 27 | 25107 |
| 28 | 29897 |
| 29 | 37144 |
| 30 | 43329 |
| 31 | 53503 |
| 32 | 62216 |
| 33 | 75309 |
| 34 | 87370 |
| 35 | 105163 |
| 36 | 120143 |
| 37 | 144209 |
| 38 | 164317 |
| 39 | 194184 |
| 40 | 220622 |
| 41 | 260129 |
| 42 | 292134 |