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 | 3277 |
| 2 | 838861 |
| 3 | 13421773 |
| 4 | 3435973837 |
| 5 | 54975581389 |
| 6 | 14073748835533 |
| 7 | 57646075230342349 |
| 8 | 922337203685477581 |
| 9 | 3777893186295716170957 |
| 10 | 967140655691703339764941 |
| 11 | 15474250491067253436239053 |
| 12 | 3961408125713216879677197517 |
| 13 | 16225927682921336339157801028813 |