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 | 0 |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 4 |
| 6 | 5 |
| 7 | 6 |
| 8 | 7 |
| 9 | 8 |
| 10 | 9 |
| 11 | 10 |
| 12 | 11 |
| 13 | 12 |
| 14 | 13 |
| 15 | 14 |
| 16 | 15 |
| 17 | 16 |
| 18 | 17 |
| 19 | 18 |
| 20 | 19 |
| 21 | 20 |
| 22 | 21 |
| 23 | 22 |
| 24 | 23 |
| 25 | 24 |
| 26 | 32 |
| 27 | 531441 |
| 28 | 5832000 |
| 29 | 30840979456 |
| 30 | 102372436321763328 |
| 31 | 5385144351531158470656 |
| 32 | 95883934811108205920256 |
| 33 | 8384433103482628092198912000 |
| 34 | 271349238454240747975480442880000 |
| 35 | 194420753673323618666864443392000000000 |
| 36 | 2230117087799166503951875964107867690793619500826624 |
| 37 | 1262524163403573488849931050070387361916429306607697920000000 |