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 | 17 |
| 2 | 35 |
| 3 | 75 |
| 4 | 151 |
| 5 | 1137 |
| 6 | 2275 |
| 7 | 2417 |
| 8 | 4835 |
| 9 | 4849 |
| 10 | 9699 |
| 11 | 19417 |
| 12 | 38833 |
| 13 | 38835 |
| 14 | 72817 |
| 15 | 77667 |
| 16 | 145635 |
| 17 | 154737 |
| 18 | 309475 |
| 19 | 310385 |
| 20 | 620771 |
| 21 | 621377 |
| 22 | 1242737 |
| 23 | 1242755 |
| 24 | 2485361 |
| 25 | 2485475 |
| 26 | 4660337 |
| 27 | 4970723 |
| 28 | 4971025 |
| 29 | 9320675 |
| 30 | 9903217 |
| 31 | 9942051 |
| 32 | 19806435 |
| 33 | 19864689 |
| 34 | 19884107 |
| 35 | 39729379 |