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 | 823543 |
| 1 | 612220032 |
| 2 | 17249876309 |
| 3 | 163840000000 |
| 4 | 897410677851 |
| 5 | 3521614606208 |
| 6 | 11047398519097 |
| 7 | 29509034655744 |
| 8 | 69833729609375 |
| 9 | 150363025899136 |
| 10 | 300124211606973 |
| 11 | 562949953421312 |
| 12 | 1002544368429379 |
| 13 | 1708593750000000 |
| 14 | 2804020163098721 |
| 15 | 4453476124377088 |
| 16 | 6873178582377927 |