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 | 1 |
| 1 | 3 |
| 2 | 9 |
| 3 | 22 |
| 4 | 51 |
| 5 | 107 |
| 6 | 217 |
| 7 | 416 |
| 8 | 775 |
| 9 | 1393 |
| 10 | 2446 |
| 11 | 4185 |
| 12 | 7028 |
| 13 | 11569 |
| 14 | 18749 |
| 15 | 29908 |
| 16 | 47083 |
| 17 | 73157 |
| 18 | 112396 |
| 19 | 170783 |
| 20 | 256972 |
| 21 | 383003 |
| 22 | 565961 |
| 23 | 829410 |
| 24 | 1206282 |
| 25 | 1741592 |
| 26 | 2497425 |
| 27 | 3557957 |
| 28 | 5037936 |
| 29 | 7091711 |
| 30 | 9927583 |
| 31 | 13823626 |
| 32 | 19151731 |
| 33 | 26404879 |
| 34 | 36236988 |
| 35 | 49509149 |