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 | 3 |
| 2 | 70 |
| 3 | 3783 |
| 4 | 338475 |
| 5 | 40565585 |
| 6 | 6061961733 |
| 7 | 1083852977811 |
| 8 | 225615988054171 |
| 9 | 53595807366038234 |
| 10 | 14308700593468127485 |
| 11 | 4241390625289880226714 |
| 12 | 1382214286200071777573643 |
| 13 | 491197439886557439295166226 |
| 14 | 189044982636675290371386547592 |
| 15 | 78334771617452038208125184627931 |
| 16 | 34771576300926271400714044414858372 |