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 | 4 |
| 2 | 13 |
| 3 | 38 |
| 4 | 87 |
| 5 | 208 |
| 6 | 377 |
| 7 | 666 |
| 8 | 1027 |
| 9 | 1556 |
| 10 | 2397 |
| 11 | 3358 |
| 12 | 4727 |
| 13 | 6408 |
| 14 | 8257 |
| 15 | 10466 |
| 16 | 13275 |
| 17 | 16756 |
| 18 | 20477 |
| 19 | 24966 |
| 20 | 30007 |
| 21 | 35336 |
| 22 | 41577 |
| 23 | 48466 |
| 24 | 56387 |
| 25 | 65796 |
| 26 | 75997 |
| 27 | 86606 |
| 28 | 98055 |
| 29 | 109936 |
| 30 | 122705 |
| 31 | 138834 |
| 32 | 155995 |
| 33 | 174764 |
| 34 | 194085 |
| 35 | 216286 |
| 36 | 239087 |
| 37 | 263736 |
| 38 | 290305 |
| 39 | 318194 |