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 | 1 |
| 1 | 1 |
| 2 | 1431 |
| 3 | 23374495 |
| 4 | 1489926719139 |
| 5 | 231474950997766763 |
| 6 | 67868136936393109678363 |
| 7 | 32103240681864904236146331299 |
| 8 | 22081439406257212482754663652213531 |
| 9 | 20535579472799243918667089350306950940643 |
| 10 | 24486860959943276912563736137263132718929372619 |