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) |
|---|---|
| 5 | 1 |
| 6 | 2 |
| 7 | 5 |
| 8 | 11 |
| 9 | 24 |
| 10 | 48 |
| 11 | 94 |
| 12 | 176 |
| 13 | 324 |
| 14 | 580 |
| 15 | 1020 |
| 16 | 1757 |
| 17 | 2985 |
| 18 | 4990 |
| 19 | 8237 |
| 20 | 13428 |
| 21 | 21651 |
| 22 | 34540 |
| 23 | 54583 |
| 24 | 85473 |
| 25 | 132730 |
| 26 | 204484 |
| 27 | 312695 |
| 28 | 474814 |
| 29 | 716217 |
| 30 | 1073558 |
| 31 | 1599568 |
| 32 | 2369781 |
| 33 | 3491812 |
| 34 | 5118490 |
| 35 | 7465789 |
| 36 | 10837964 |
| 37 | 15661666 |
| 38 | 22533586 |
| 39 | 32284480 |