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 | 1 |
| 5 | 1 |
| 6 | 3 |
| 7 | 4 |
| 8 | 5 |
| 9 | 6 |
| 10 | 12 |
| 11 | 14 |
| 12 | 18 |
| 13 | 22 |
| 14 | 39 |
| 15 | 51 |
| 16 | 68 |
| 17 | 83 |
| 18 | 112 |
| 19 | 184 |
| 20 | 251 |
| 21 | 315 |
| 22 | 431 |
| 23 | 527 |
| 24 | 652 |
| 25 | 768 |
| 26 | 1011 |
| 27 | 1128 |
| 28 | 1305 |
| 29 | 1836 |
| 30 | 2344 |
| 31 | 3240 |
| 32 | 4082 |
| 33 | 4955 |
| 34 | 5725 |
| 35 | 8023 |
| 36 | 8723 |
| 37 | 10260 |
| 38 | 11945 |
| 39 | 16771 |
| 40 | 21466 |
| 41 | 30280 |
| 42 | 38583 |
| 43 | 46645 |
| 44 | 54789 |
| 45 | 77430 |
| 46 | 85067 |
| 47 | 99199 |
| 48 | 120742 |
| 49 | 154753 |