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 | 2 |
| 5 | 3 |
| 6 | 6 |
| 7 | 10 |
| 8 | 21 |
| 9 | 38 |
| 10 | 77 |
| 11 | 144 |
| 12 | 293 |
| 13 | 563 |
| 14 | 1131 |
| 15 | 2205 |
| 16 | 4434 |
| 17 | 8711 |
| 18 | 17466 |
| 19 | 34506 |
| 20 | 69169 |
| 21 | 137247 |
| 22 | 274677 |
| 23 | 546081 |
| 24 | 1093217 |
| 25 | 2177556 |
| 26 | 4356756 |
| 27 | 8688370 |
| 28 | 17381926 |
| 29 | 34691608 |
| 30 | 69394626 |
| 31 | 138578144 |
| 32 | 277197191 |
| 33 | 553794526 |
| 34 | 1107654097 |
| 35 | 2213527055 |
| 36 | 4427345544 |
| 37 | 8849519773 |