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 | 8 |
| 2 | 5936 |
| 3 | 652343 |
| 4 | 50473056 |
| 5 | 3325788157 |
| 6 | 198563803019 |
| 7 | 11105331450864 |
| 8 | 586395701904408 |
| 9 | 29015321337746085 |
| 10 | 1335864857344408243 |
| 11 | 57236190892283185233 |
| 12 | 2296849324984530935992 |
| 13 | 87126825773953105905476 |