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 | 651 |
| 2 | 354051 |
| 3 | 196476315 |
| 4 | 1833809355 |
| 5 | 1017687528051 |
| 6 | 564774036750651 |
| 7 | 313425981747606051 |
| 8 | 173938318056614696235 |
| 9 | 1623451323680702588835 |
| 10 | 900947621231988101541051 |
| 11 | 499988268427580436128625651 |
| 12 | 277472588498948806845840543051 |
| 13 | 153985687725108202266731539138755 |