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 | 10 |
| 1 | 124 |
| 2 | 3410 |
| 3 | 131068 |
| 4 | 5732210 |
| 5 | 264105844 |
| 6 | 12441770330 |
| 7 | 591961476748 |
| 8 | 28294099221410 |
| 9 | 1355321291969764 |
| 10 | 64989628053819050 |
| 11 | 3117943006504850428 |
| 12 | 149624153907514522610 |
| 13 | 7181073568202394620884 |
| 14 | 344670347564106497096570 |