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) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 1 |
| 4 | 4 |
| 5 | 10 |
| 6 | 19 |
| 7 | 35 |
| 8 | 52 |
| 9 | 83 |
| 10 | 110 |
| 11 | 165 |
| 12 | 196 |
| 13 | 286 |
| 14 | 329 |
| 15 | 444 |
| 16 | 504 |
| 17 | 680 |
| 18 | 713 |
| 19 | 969 |
| 20 | 1016 |
| 21 | 1294 |
| 22 | 1375 |
| 23 | 1771 |
| 24 | 1752 |
| 25 | 2290 |
| 26 | 2314 |
| 27 | 2841 |
| 28 | 2908 |
| 29 | 3654 |
| 30 | 3476 |
| 31 | 4495 |
| 32 | 4400 |
| 33 | 5290 |
| 34 | 5304 |
| 35 | 6500 |
| 36 | 6124 |
| 37 | 7770 |
| 38 | 7467 |
| 39 | 8852 |
| 40 | 8688 |
| 41 | 10660 |
| 42 | 9802 |
| 43 | 12341 |
| 44 | 11700 |
| 45 | 13652 |
| 46 | 13409 |
| 47 | 16215 |
| 48 | 14768 |
| 49 | 18389 |
| 50 | 17190 |