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) |
---|---|
4 | 1 |
5 | 5905 |
6 | 39226915 |
7 | 257015284435 |
8 | 1686534296462470 |
9 | 11065164158125239526 |
10 | 72598678627860564552010 |
11 | 476319830905927777714449130 |
12 | 3125134483161392104770081009295 |
13 | 20504007291105533368839949866598015 |