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 | 78125 |
| 1 | 19487171 |
| 2 | 410338673 |
| 3 | 3404825447 |
| 4 | 17249876309 |
| 5 | 64339296875 |
| 6 | 194754273881 |
| 7 | 506623120463 |
| 8 | 1174711139837 |
| 9 | 2488651484819 |
| 10 | 4902227890625 |
| 11 | 9095120158391 |
| 12 | 16048523266853 |
| 13 | 27136050989627 |
| 14 | 44231334895529 |
| 15 | 69833729609375 |
| 16 | 107213535210701 |
| 17 | 160578147647843 |
| 18 | 235260548044817 |