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 | 5 |
| 2 | 15 |
| 3 | 34 |
| 4 | 68 |
| 5 | 127 |
| 6 | 225 |
| 7 | 387 |
| 8 | 652 |
| 9 | 1084 |
| 10 | 1787 |
| 11 | 2927 |
| 12 | 4775 |
| 13 | 7769 |
| 14 | 12616 |
| 15 | 20462 |
| 16 | 33160 |
| 17 | 53709 |
| 18 | 86962 |
| 19 | 140769 |
| 20 | 227834 |
| 21 | 368711 |
| 22 | 596658 |
| 23 | 965488 |
| 24 | 1562270 |
| 25 | 2527887 |
| 26 | 4090292 |
| 27 | 6618319 |
| 28 | 10708756 |
| 29 | 17327225 |
| 30 | 28036136 |
| 31 | 45363522 |
| 32 | 73399824 |
| 33 | 118763517 |