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 | 2 |
| 1 | 17 |
| 2 | 163 |
| 3 | 1619 |
| 4 | 16183 |
| 5 | 161807 |
| 6 | 1618033 |
| 7 | 16180349 |
| 8 | 161803403 |
| 9 | 1618033999 |
| 10 | 16180339933 |
| 11 | 161803398917 |
| 12 | 1618033988749 |
| 13 | 16180339887557 |
| 14 | 161803398874991 |
| 15 | 1618033988749901 |
| 16 | 16180339887498961 |
| 17 | 161803398874989661 |
| 18 | 1618033988749894853 |
| 19 | 16180339887498948503 |
| 20 | 161803398874989484891 |