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 | 53248 |
| 2 | 233476 |
| 3 | 1257754 |
| 4 | 7682812 |
| 5 | 51698178 |
| 6 | 378088270 |
| 7 | 2980927200 |
| 8 | 25173962492 |
| 9 | 226268016376 |
| 10 | 2149806985106 |
| 11 | 21437333168798 |
| 12 | 222770819826574 |
| 13 | 2396574908171782 |
| 14 | 26535227773186536 |
| 15 | 300870737118178194 |
| 16 | 3479000496509382748 |
| 17 | 40885324678195409820 |