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 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 1 |
| 6 | 1 |
| 7 | 4 |
| 8 | 5 |
| 9 | 13 |
| 10 | 18 |
| 11 | 36 |
| 12 | 51 |
| 13 | 93 |
| 14 | 132 |
| 15 | 229 |
| 16 | 315 |
| 17 | 516 |
| 18 | 735 |
| 19 | 1134 |
| 20 | 1575 |
| 21 | 2407 |
| 22 | 3309 |
| 23 | 4878 |
| 24 | 6710 |
| 25 | 9690 |
| 26 | 13168 |
| 27 | 18744 |
| 28 | 25114 |
| 29 | 35050 |
| 30 | 47210 |
| 31 | 64503 |
| 32 | 85573 |
| 33 | 116445 |
| 34 | 153328 |
| 35 | 205367 |
| 36 | 269383 |
| 37 | 356668 |
| 38 | 464268 |
| 39 | 610644 |
| 40 | 788274 |
| 41 | 1026330 |
| 42 | 1321017 |
| 43 | 1704309 |
| 44 | 2176054 |