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 | 3 |
| 2 | 9 |
| 3 | 23 |
| 4 | 51 |
| 5 | 103 |
| 6 | 196 |
| 7 | 348 |
| 8 | 590 |
| 9 | 960 |
| 10 | 1506 |
| 11 | 2290 |
| 12 | 3393 |
| 13 | 4905 |
| 14 | 6945 |
| 15 | 9651 |
| 16 | 13185 |
| 17 | 17739 |
| 18 | 23542 |
| 19 | 30846 |
| 20 | 39954 |
| 21 | 51206 |
| 22 | 64986 |
| 23 | 81730 |
| 24 | 101935 |
| 25 | 126141 |
| 26 | 154967 |
| 27 | 189093 |
| 28 | 229269 |
| 29 | 276325 |
| 30 | 331182 |
| 31 | 394830 |
| 32 | 468372 |
| 33 | 553002 |
| 34 | 650016 |
| 35 | 760824 |
| 36 | 886963 |