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) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 3 |
| 3 | 5 |
| 4 | 9 |
| 5 | 15 |
| 6 | 25 |
| 7 | 43 |
| 8 | 73 |
| 9 | 125 |
| 10 | 214 |
| 11 | 366 |
| 12 | 625 |
| 13 | 1069 |
| 14 | 1828 |
| 15 | 3125 |
| 16 | 5344 |
| 17 | 9138 |
| 18 | 15625 |
| 19 | 26718 |
| 20 | 45688 |
| 21 | 78125 |
| 22 | 133592 |
| 23 | 228439 |
| 24 | 390625 |
| 25 | 667959 |
| 26 | 1142194 |
| 27 | 1953125 |
| 28 | 3339797 |
| 29 | 5710972 |
| 30 | 9765625 |
| 31 | 16698984 |
| 32 | 28554861 |
| 33 | 48828125 |
| 34 | 83494919 |
| 35 | 142774304 |
| 36 | 244140625 |
| 37 | 417474596 |