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 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 6 |
| 6 | 8 |
| 7 | 28 |
| 8 | 44 |
| 9 | 100 |
| 10 | 162 |
| 11 | 318 |
| 12 | 514 |
| 13 | 942 |
| 14 | 1518 |
| 15 | 2672 |
| 16 | 4302 |
| 17 | 7380 |
| 18 | 11882 |
| 19 | 20040 |
| 20 | 32276 |
| 21 | 53810 |
| 22 | 86710 |
| 23 | 143396 |
| 24 | 231204 |
| 25 | 380152 |
| 26 | 613286 |
| 27 | 1004188 |
| 28 | 1620864 |
| 29 | 2645928 |
| 30 | 4272744 |
| 31 | 6959326 |
| 32 | 11242518 |
| 33 | 18281222 |
| 34 | 29542078 |
| 35 | 47978666 |
| 36 | 77552928 |
| 37 | 125836374 |
| 38 | 203445784 |