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 | 1 |
| 2 | 6 |
| 3 | 12 |
| 4 | 24 |
| 5 | 43 |
| 6 | 75 |
| 7 | 127 |
| 8 | 212 |
| 9 | 350 |
| 10 | 574 |
| 11 | 937 |
| 12 | 1525 |
| 13 | 2477 |
| 14 | 4018 |
| 15 | 6512 |
| 16 | 10548 |
| 17 | 17079 |
| 18 | 27647 |
| 19 | 44747 |
| 20 | 72416 |
| 21 | 117186 |
| 22 | 189626 |
| 23 | 306837 |
| 24 | 496489 |
| 25 | 803353 |
| 26 | 1299870 |
| 27 | 2103252 |
| 28 | 3403152 |
| 29 | 5506435 |
| 30 | 8909619 |
| 31 | 14416087 |
| 32 | 23325740 |
| 33 | 37741862 |
| 34 | 61067638 |
| 35 | 98809537 |
| 36 | 159877213 |
| 37 | 258686789 |
| 38 | 418564042 |