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 | 0 |
2 | 1 |
3 | 2 |
4 | 6 |
5 | 54 |
6 | 3510 |
7 | 14380470 |
8 | 241264265751990 |
9 | 67909853583655146508751957430 |
10 | 5380372916045726369002105219892285499516304666683458153910 |
11 | 33773148168338125039096320085837383261496919374684668572527108632210618661283323381212228218472784834977109705977270 |