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 | 18 |
| 7 | 26 |
| 8 | 45 |
| 9 | 62 |
| 10 | 99 |
| 11 | 135 |
| 12 | 204 |
| 13 | 274 |
| 14 | 396 |
| 15 | 527 |
| 16 | 741 |
| 17 | 973 |
| 18 | 1333 |
| 19 | 1736 |
| 20 | 2331 |
| 21 | 3007 |
| 22 | 3970 |
| 23 | 5079 |
| 24 | 6615 |
| 25 | 8393 |
| 26 | 10796 |
| 27 | 13605 |
| 28 | 17320 |
| 29 | 21673 |
| 30 | 27339 |
| 31 | 34001 |
| 32 | 42540 |
| 33 | 52597 |
| 34 | 65324 |
| 35 | 80332 |
| 36 | 99127 |
| 37 | 121274 |
| 38 | 148745 |
| 39 | 181131 |
| 40 | 220956 |
| 41 | 267852 |
| 42 | 325114 |
| 43 | 392476 |
| 44 | 474178 |