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 | 0 |
| 2 | 1 |
| 3 | 2 |
| 4 | 6 |
| 5 | 9 |
| 6 | 19 |
| 7 | 28 |
| 8 | 51 |
| 9 | 75 |
| 10 | 119 |
| 11 | 170 |
| 12 | 261 |
| 13 | 362 |
| 14 | 525 |
| 15 | 723 |
| 16 | 1019 |
| 17 | 1373 |
| 18 | 1890 |
| 19 | 2512 |
| 20 | 3386 |
| 21 | 4452 |
| 22 | 5893 |
| 23 | 7658 |
| 24 | 10017 |
| 25 | 12881 |
| 26 | 16627 |
| 27 | 21210 |
| 28 | 27097 |
| 29 | 34266 |
| 30 | 43392 |
| 31 | 54462 |
| 32 | 68399 |
| 33 | 85285 |
| 34 | 106305 |
| 35 | 131712 |
| 36 | 163132 |
| 37 | 200936 |
| 38 | 247332 |
| 39 | 303066 |
| 40 | 370989 |
| 41 | 452296 |
| 42 | 550875 |
| 43 | 668495 |