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 | 2 |
| 3 | 5 |
| 4 | 12 |
| 5 | 20 |
| 6 | 48 |
| 7 | 81 |
| 8 | 169 |
| 9 | 305 |
| 10 | 580 |
| 11 | 1009 |
| 12 | 1966 |
| 13 | 3338 |
| 14 | 6067 |
| 15 | 10503 |
| 16 | 18730 |
| 17 | 31633 |
| 18 | 55641 |
| 19 | 93151 |
| 20 | 160389 |
| 21 | 267585 |
| 22 | 452762 |
| 23 | 747016 |
| 24 | 1253644 |
| 25 | 2049943 |
| 26 | 3390786 |
| 27 | 5516227 |
| 28 | 9034745 |
| 29 | 14572790 |
| 30 | 23668066 |
| 31 | 37918484 |
| 32 | 61042425 |
| 33 | 97231826 |
| 34 | 155292944 |
| 35 | 245774727 |
| 36 | 389998116 |