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 | 7 |
| 2 | 19 |
| 3 | 31 |
| 4 | 131 |
| 5 | 1453 |
| 6 | 2351 |
| 7 | 42187 |
| 8 | 1981891 |
| 9 | 3206767 |
| 10 | 13584083 |
| 11 | 332484016063 |
| 12 | 66165989928299 |
| 13 | 146028309791690867 |
| 14 | 1619478772188347101 |
| 15 | 47020662244482792763 |
| 16 | 229030451631542624193448579 |
| 17 | 1569798068858809572115420691 |