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) |
|---|---|
| 1 | 0 |
| 2 | 2 |
| 3 | 2 |
| 4 | 2 |
| 5 | 3 |
| 6 | 6 |
| 7 | 6 |
| 8 | 11 |
| 9 | 18 |
| 10 | 31 |
| 11 | 49 |
| 12 | 87 |
| 13 | 155 |
| 14 | 253 |
| 15 | 427 |
| 16 | 781 |
| 17 | 1473 |
| 18 | 2703 |
| 19 | 5094 |
| 20 | 9592 |
| 21 | 18376 |
| 22 | 35100 |
| 23 | 67183 |
| 24 | 129119 |
| 25 | 249489 |
| 26 | 482224 |
| 27 | 930633 |
| 28 | 1803598 |
| 29 | 3502353 |
| 30 | 6813094 |
| 31 | 13271996 |
| 32 | 25892906 |
| 33 | 50583039 |
| 34 | 98948426 |
| 35 | 193629933 |
| 36 | 379398057 |
| 37 | 744508765 |
| 38 | 1461801309 |