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 | 8 |
| 2 | 70 |
| 3 | 656 |
| 4 | 6436 |
| 5 | 64928 |
| 6 | 665560 |
| 7 | 6883136 |
| 8 | 71527696 |
| 9 | 745221248 |
| 10 | 7774933600 |
| 11 | 81176105216 |
| 12 | 847871534656 |
| 13 | 8857730451968 |
| 14 | 92547138221440 |
| 15 | 967005845328896 |
| 16 | 10104359508418816 |
| 17 | 105583413105625088 |
| 18 | 1103281758201710080 |