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 | 3 |
| 4 | 5 |
| 5 | 11 |
| 6 | 19 |
| 7 | 37 |
| 8 | 65 |
| 9 | 120 |
| 10 | 210 |
| 11 | 376 |
| 12 | 654 |
| 13 | 1149 |
| 14 | 1985 |
| 15 | 3443 |
| 16 | 5911 |
| 17 | 10159 |
| 18 | 17345 |
| 19 | 29605 |
| 20 | 50305 |
| 21 | 85400 |
| 22 | 144516 |
| 23 | 244272 |
| 24 | 411900 |
| 25 | 693729 |
| 26 | 1166209 |
| 27 | 1958219 |
| 28 | 3283145 |
| 29 | 5498595 |
| 30 | 9197455 |
| 31 | 15369373 |
| 32 | 25655489 |
| 33 | 42787456 |
| 34 | 71293590 |
| 35 | 118695272 |
| 36 | 197452746 |
| 37 | 328227725 |