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 | 5 |
| 2 | 10 |
| 3 | 28 |
| 4 | 58 |
| 5 | 160 |
| 6 | 238 |
| 7 | 440 |
| 8 | 568 |
| 9 | 874 |
| 10 | 1480 |
| 11 | 1720 |
| 12 | 2584 |
| 13 | 3266 |
| 14 | 3638 |
| 15 | 4438 |
| 16 | 5830 |
| 17 | 7418 |
| 18 | 7982 |
| 19 | 9854 |
| 20 | 11240 |
| 21 | 11966 |
| 22 | 14288 |
| 23 | 15968 |
| 24 | 18650 |
| 25 | 22548 |
| 26 | 24680 |
| 27 | 25800 |
| 28 | 28104 |
| 29 | 29296 |
| 30 | 31734 |
| 31 | 41022 |
| 32 | 43940 |
| 33 | 48494 |