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 | 1 |
| 2 | 2 |
| 3 | 4 |
| 4 | 8 |
| 5 | 15 |
| 6 | 21 |
| 7 | 30 |
| 8 | 46 |
| 9 | 61 |
| 10 | 91 |
| 11 | 121 |
| 12 | 154 |
| 13 | 189 |
| 14 | 217 |
| 15 | 258 |
| 16 | 409 |
| 17 | 548 |
| 18 | 590 |
| 19 | 775 |
| 20 | 832 |
| 21 | 906 |
| 22 | 1227 |
| 23 | 1270 |
| 24 | 1570 |
| 25 | 1847 |
| 26 | 2116 |
| 27 | 2688 |
| 28 | 3607 |
| 29 | 3714 |
| 30 | 3990 |
| 31 | 4483 |
| 32 | 4502 |
| 33 | 6041 |
| 34 | 6045 |
| 35 | 8078 |
| 36 | 9255 |
| 37 | 9833 |
| 38 | 12136 |
| 39 | 12226 |
| 40 | 13208 |
| 41 | 14356 |
| 42 | 16964 |
| 43 | 17511 |
| 44 | 18858 |
| 45 | 18974 |
| 46 | 20476 |
| 47 | 23489 |