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) |
|---|---|
| 2 | 0 |
| 3 | 0 |
| 4 | 1 |
| 5 | 1 |
| 6 | 2 |
| 7 | 4 |
| 8 | 6 |
| 9 | 8 |
| 10 | 15 |
| 11 | 16 |
| 12 | 24 |
| 13 | 33 |
| 14 | 40 |
| 15 | 48 |
| 16 | 69 |
| 17 | 73 |
| 18 | 92 |
| 19 | 114 |
| 20 | 130 |
| 21 | 148 |
| 22 | 191 |
| 23 | 198 |
| 24 | 234 |
| 25 | 276 |
| 26 | 304 |
| 27 | 332 |
| 28 | 407 |
| 29 | 421 |
| 30 | 476 |
| 31 | 550 |
| 32 | 584 |
| 33 | 631 |
| 34 | 748 |
| 35 | 760 |
| 36 | 857 |
| 37 | 956 |
| 38 | 1002 |
| 39 | 1070 |
| 40 | 1239 |