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 | 4 |
| 4 | 8 |
| 5 | 13 |
| 6 | 22 |
| 7 | 38 |
| 8 | 64 |
| 9 | 107 |
| 10 | 181 |
| 11 | 304 |
| 12 | 512 |
| 13 | 861 |
| 14 | 1448 |
| 15 | 2435 |
| 16 | 4096 |
| 17 | 6888 |
| 18 | 11585 |
| 19 | 19483 |
| 20 | 32768 |
| 21 | 55108 |
| 22 | 92681 |
| 23 | 155871 |
| 24 | 262144 |
| 25 | 440871 |
| 26 | 741455 |
| 27 | 1246974 |
| 28 | 2097152 |
| 29 | 3526975 |
| 30 | 5931641 |
| 31 | 9975792 |
| 32 | 16777216 |
| 33 | 28215801 |
| 34 | 47453132 |
| 35 | 79806338 |