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 | 18 |
2 | -2088 |
3 | 301296 |
4 | -50784174 |
5 | 9174627360 |
6 | -1734603719472 |
7 | 338286925650240 |
8 | -67486440186470016 |
9 | 13697820033167444178 |
10 | -2818359890320927630320 |
11 | 586296297186462310481424 |
12 | -123077156275866375661524864 |
13 | 26034142700316716015964656544 |