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 | 1 |
| 1 | 16384 |
| 2 | 823543 |
| 3 | 10000000 |
| 4 | 62748517 |
| 5 | 268435456 |
| 6 | 893871739 |
| 7 | 2494357888 |
| 8 | 6103515625 |
| 9 | 13492928512 |
| 10 | 27512614111 |
| 11 | 52523350144 |
| 12 | 94931877133 |
| 13 | 163840000000 |
| 14 | 271818611107 |
| 15 | 435817657216 |
| 16 | 678223072849 |
| 17 | 1028071702528 |