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 | 11 |
| 2 | 176 |
| 3 | 2911 |
| 4 | 48301 |
| 5 | 801701 |
| 6 | 13307111 |
| 7 | 220880176 |
| 8 | 3666315811 |
| 9 | 60855946601 |
| 10 | 1010127453401 |
| 11 | 16766766924211 |
| 12 | 278305942640176 |
| 13 | 4619507031938711 |
| 14 | 76677648402694901 |
| 15 | 1272746577484955101 |
| 16 | 21125893715367851311 |