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 | 3 |
2 | 18 |
3 | 135 |
4 | 1044 |
5 | 6210 |
6 | -5994 |
7 | -760347 |
8 | -3009960 |
9 | 261689616 |
10 | 1960394400 |
11 | -220644396522 |
12 | -1043258760828 |
13 | 366570209524896 |
14 | -3109452797977470 |
15 | -972076070389224105 |
16 | 36160406771040130320 |
17 | 3274635904971823559880 |
18 | -331428842765036684941320 |