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 | 2 |
| 2 | 3 |
| 3 | 4 |
| 4 | 5 |
| 5 | 6 |
| 6 | 7 |
| 7 | 12 |
| 8 | 19 |
| 9 | 28 |
| 10 | 43 |
| 11 | 66 |
| 12 | 97 |
| 13 | 132 |
| 14 | 177 |
| 15 | 242 |
| 16 | 321 |
| 17 | 420 |
| 18 | 529 |
| 19 | 662 |
| 20 | 829 |
| 21 | 1044 |
| 22 | 1327 |
| 23 | 1624 |
| 24 | 1977 |
| 25 | 2400 |
| 26 | 2883 |
| 27 | 3434 |
| 28 | 4103 |
| 29 | 4818 |
| 30 | 5711 |
| 31 | 6698 |
| 32 | 7791 |
| 33 | 8982 |
| 34 | 10279 |
| 35 | 11860 |
| 36 | 13693 |
| 37 | 15648 |
| 38 | 17783 |
| 39 | 20078 |
| 40 | 22725 |
| 41 | 25538 |
| 42 | 28845 |
| 43 | 32338 |
| 44 | 36091 |
| 45 | 40360 |
| 46 | 44961 |
| 47 | 49814 |