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 | 1334961 |
| 1 | 16019531 |
| 2 | 206918942 |
| 3 | 2864826126 |
| 4 | 42351635064 |
| 5 | 666166856520 |
| 6 | 11113078385520 |
| 7 | 196038409800240 |
| 8 | 3646938237505920 |
| 9 | 71370457471716480 |
| 10 | 1465957162768492800 |
| 11 | 31537353006189676800 |
| 12 | 709233590351909145600 |
| 13 | 16643157932371543372800 |
| 14 | 406858911634713765427200 |