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 | 242494 |
| 2 | 1267754 |
| 3 | 6631348 |
| 4 | 34695508 |
| 5 | 181549572 |
| 6 | 950035900 |
| 7 | 4971575032 |
| 8 | 26016562386 |
| 9 | 136146815610 |
| 10 | 712472439202 |
| 11 | 3728460724848 |
| 12 | 19511550499928 |
| 13 | 102106757625448 |
| 14 | 534339759748798 |
| 15 | 2796279526923770 |
| 16 | 14633349377034482 |