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 | 0 |
| 1 | 1 |
| 2 | 8192 |
| 3 | 1594323 |
| 4 | 67108864 |
| 5 | 1220703125 |
| 6 | 13060694016 |
| 7 | 96889010407 |
| 8 | 549755813888 |
| 9 | 2541865828329 |
| 10 | 10000000000000 |
| 11 | 34522712143931 |
| 12 | 106993205379072 |
| 13 | 302875106592253 |
| 14 | 793714773254144 |
| 15 | 1946195068359375 |
| 16 | 4503599627370496 |
| 17 | 9904578032905937 |
| 18 | 20822964865671168 |