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 | 53 |
| 2 | 73 |
| 3 | 125 |
| 4 | 193 |
| 5 | 365 |
| 6 | 697 |
| 7 | 1105 |
| 8 | 2117 |
| 9 | 4057 |
| 10 | 6437 |
| 11 | 12337 |
| 12 | 23645 |
| 13 | 37517 |
| 14 | 71905 |
| 15 | 137813 |
| 16 | 218665 |
| 17 | 419093 |
| 18 | 803233 |
| 19 | 1274473 |
| 20 | 2442653 |
| 21 | 4681585 |
| 22 | 7428173 |
| 23 | 14236825 |
| 24 | 27286277 |
| 25 | 43294565 |
| 26 | 82978297 |
| 27 | 159036077 |
| 28 | 252339217 |
| 29 | 483632957 |
| 30 | 926930185 |