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 | 1163 |
| 2 | 165212 |
| 3 | 5588411 |
| 4 | 91494280 |
| 5 | 1012166273 |
| 6 | 8857798353 |
| 7 | 65713691148 |
| 8 | 426013124302 |
| 9 | 2451904991177 |
| 10 | 12667946702827 |
| 11 | 59314085710865 |
| 12 | 253890734816827 |
| 13 | 1001536512782235 |
| 14 | 3667805164816918 |
| 15 | 12552963347081644 |
| 16 | 40389815158195689 |
| 17 | 122826907526807483 |
| 18 | 354709420054948952 |