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 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | 5 |
| 6 | 42 |
| 7 | 7 |
| 8 | 64 |
| 9 | 81 |
| 10 | 10010 |
| 11 | 11 |
| 12 | 288 |
| 13 | 13 |
| 14 | 7529550 |
| 15 | 50850 |
| 16 | 65536 |
| 17 | 17 |
| 18 | 34012548 |
| 19 | 19 |
| 20 | 160400 |
| 21 | 85766562 |
| 22 | 26559922791446 |
| 23 | 23 |
| 24 | 663552 |
| 25 | 390625 |
| 26 | 95428956661682202 |
| 27 | 387420489 |
| 28 | 481891088 |
| 29 | 29 |
| 30 | 656100810900 |
| 31 | 31 |
| 32 | 1099511627776 |
| 33 | 1531578985265538 |
| 34 | 3189059870763703892770850 |