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 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 1 |
| 7 | 1 |
| 8 | 2 |
| 9 | 4 |
| 10 | 8 |
| 11 | 16 |
| 12 | 32 |
| 13 | 64 |
| 14 | 128 |
| 15 | 257 |
| 16 | 524 |
| 17 | 1106 |
| 18 | 2470 |
| 19 | 5924 |
| 20 | 15262 |
| 21 | 41690 |
| 22 | 118595 |
| 23 | 345861 |
| 24 | 1023028 |
| 25 | 3050590 |
| 26 | 9146312 |
| 27 | 27567958 |
| 28 | 83678750 |
| 29 | 256632743 |
| 30 | 798853376 |
| 31 | 2537255097 |
| 32 | 8264988956 |
| 33 | 27723246374 |
| 34 | 95941707086 |
| 35 | 342355797248 |