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 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 2 |
| 6 | 4 |
| 7 | 5 |
| 8 | 9 |
| 9 | 12 |
| 10 | 18 |
| 11 | 24 |
| 12 | 36 |
| 13 | 48 |
| 14 | 69 |
| 15 | 97 |
| 16 | 139 |
| 17 | 196 |
| 18 | 283 |
| 19 | 402 |
| 20 | 576 |
| 21 | 819 |
| 22 | 1161 |
| 23 | 1635 |
| 24 | 2301 |
| 25 | 3209 |
| 26 | 4469 |
| 27 | 6193 |
| 28 | 8571 |
| 29 | 11812 |
| 30 | 16291 |
| 31 | 22404 |
| 32 | 30850 |
| 33 | 42414 |
| 34 | 58393 |
| 35 | 80305 |
| 36 | 110578 |
| 37 | 152091 |
| 38 | 209308 |
| 39 | 287686 |
| 40 | 395352 |
| 41 | 542413 |
| 42 | 743603 |
| 43 | 1017489 |
| 44 | 1390510 |
| 45 | 1896482 |