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 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | 5 |
| 6 | 7 |
| 7 | 14 |
| 8 | 21 |
| 9 | 28 |
| 10 | 35 |
| 11 | 43 |
| 12 | 86 |
| 13 | 129 |
| 14 | 172 |
| 15 | 215 |
| 16 | 259 |
| 17 | 518 |
| 18 | 777 |
| 19 | 1036 |
| 20 | 1295 |
| 21 | 1555 |
| 22 | 3110 |
| 23 | 4665 |
| 24 | 6220 |
| 25 | 7775 |
| 26 | 9331 |
| 27 | 18662 |
| 28 | 27993 |
| 29 | 37324 |
| 30 | 46655 |
| 31 | 55987 |
| 32 | 111974 |
| 33 | 167961 |
| 34 | 223948 |
| 35 | 279935 |
| 36 | 335923 |
| 37 | 671846 |
| 38 | 1007769 |
| 39 | 1343692 |
| 40 | 1679615 |
| 41 | 2015539 |