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 | 2 |
2 | 6 |
3 | 16 |
4 | -12 |
5 | -492 |
6 | 628 |
7 | 63488 |
8 | -408112 |
9 | -20183928 |
10 | 444216616 |
11 | 9449212584 |
12 | -679737200176 |
13 | 2572902869080 |
14 | 1276955484043864 |
15 | -53294396490490656 |
16 | -1891642613896659904 |
17 | 314259171327032640928 |
18 | -8590801196259162852288 |
19 | -1381246455381881103425424 |