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 | 4 |
3 | -9 |
4 | 22 |
5 | -57 |
6 | 153 |
7 | -419 |
8 | 1160 |
9 | -3230 |
10 | 9021 |
11 | -25234 |
12 | 70643 |
13 | -197849 |
14 | 554233 |
15 | -1552742 |
16 | 4350420 |
17 | -12189221 |
18 | 34152882 |
19 | -95693445 |
20 | 268125913 |
21 | -751270435 |
22 | 2105010556 |
23 | -5898105006 |
24 | 16526117921 |
25 | -46305146110 |
26 | 129744125671 |
27 | -363534946433 |
28 | 1018602262609 |
29 | -2854060085466 |
30 | 7996898607604 |