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 | 36 |
| 2 | 736 |
| 3 | 8291 |
| 4 | 71061 |
| 5 | 559188 |
| 6 | 4368458 |
| 7 | 34534687 |
| 8 | 276286000 |
| 9 | 2229871293 |
| 10 | 18115082917 |
| 11 | 147889219961 |
| 12 | 1211856739505 |
| 13 | 9958518859510 |
| 14 | 82010005661441 |
| 15 | 676451232895869 |
| 16 | 5586333937854878 |
| 17 | 46174727441274521 |
| 18 | 381916881456838766 |