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 | 3 |
| 2 | 4 |
| 3 | 11 |
| 4 | 16 |
| 5 | 46 |
| 6 | 82 |
| 7 | 174 |
| 8 | 256 |
| 9 | 798 |
| 10 | 1300 |
| 11 | 2734 |
| 12 | 4354 |
| 13 | 10926 |
| 14 | 20518 |
| 15 | 51790 |
| 16 | 65536 |
| 17 | 174766 |
| 18 | 351118 |
| 19 | 699054 |
| 20 | 1110274 |
| 21 | 3100238 |
| 22 | 5048230 |
| 23 | 11184814 |
| 24 | 17041414 |
| 25 | 49012990 |
| 26 | 82623886 |
| 27 | 211053038 |
| 28 | 284225794 |
| 29 | 727960798 |
| 30 | 1494039790 |
| 31 | 2863311534 |
| 32 | 4301668354 |
| 33 | 12611914846 |
| 34 | 20788904014 |
| 35 | 51322664446 |
| 36 | 73234343950 |
| 37 | 183355069406 |
| 38 | 332019460558 |