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 | 2 |
| 3 | 3 |
| 4 | 5 |
| 5 | 7 |
| 6 | 14 |
| 7 | 19 |
| 8 | 38 |
| 9 | 57 |
| 10 | 71 |
| 11 | 142 |
| 12 | 284 |
| 13 | 568 |
| 14 | 571 |
| 15 | 1142 |
| 16 | 2284 |
| 17 | 4568 |
| 18 | 9136 |
| 19 | 18272 |
| 20 | 36544 |
| 21 | 36545 |
| 22 | 73089 |
| 23 | 146178 |
| 24 | 292356 |
| 25 | 292361 |
| 26 | 584722 |
| 27 | 1169444 |
| 28 | 2338888 |
| 29 | 4677776 |
| 30 | 9355552 |
| 31 | 18711104 |
| 32 | 37422208 |
| 33 | 37422779 |
| 34 | 74845558 |
| 35 | 149691116 |
| 36 | 299382232 |
| 37 | 598764464 |