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 | 36 |
4 | -266 |
5 | 2028 |
6 | -13596 |
7 | 50088 |
8 | 566694 |
9 | -16598580 |
10 | 232284876 |
11 | -1912070088 |
12 | 631155132 |
13 | 239439857272 |
14 | -2781218767224 |
15 | -17362458802992 |
16 | 795693633448710 |
17 | -458070639409908 |
18 | -335724554310292548 |
19 | 4520379769156382616 |
20 | 109439050270732883028 |
21 | -3828757746830590219608 |