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 | 10583 |
| 1 | 49084 |
| 2 | 97178 |
| 3 | 184357 |
| 4 | 937838 |
| 5 | 1776577 |
| 6 | 9533348 |
| 7 | 17966707 |
| 8 | 88733678 |
| 9 | 176367466 |
| 10 | 841131137 |
| 11 | 1572262285 |
| 12 | 7394885036 |
| 13 | 13700769973 |
| 14 | 51697470704 |
| 15 | 92404950319 |
| 16 | 183710890748 |
| 17 | 1030808908129 |
| 18 | 10248906988430 |
| 19 | 13737867972631 |