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 | 1 |
| 2 | 3 |
| 3 | 5 |
| 4 | 9 |
| 5 | 13 |
| 6 | 21 |
| 7 | 31 |
| 8 | 39 |
| 9 | 43 |
| 10 | 51 |
| 11 | 63 |
| 12 | 75 |
| 13 | 91 |
| 14 | 119 |
| 15 | 149 |
| 16 | 165 |
| 17 | 169 |
| 18 | 177 |
| 19 | 189 |
| 20 | 201 |
| 21 | 217 |
| 22 | 245 |
| 23 | 277 |
| 24 | 297 |
| 25 | 313 |
| 26 | 341 |
| 27 | 377 |
| 28 | 417 |
| 29 | 477 |
| 30 | 565 |
| 31 | 643 |
| 32 | 675 |
| 33 | 679 |
| 34 | 687 |
| 35 | 699 |
| 36 | 711 |
| 37 | 727 |
| 38 | 755 |
| 39 | 787 |
| 40 | 807 |
| 41 | 823 |
| 42 | 851 |
| 43 | 887 |
| 44 | 927 |
| 45 | 987 |
| 46 | 1075 |