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 | -1 |
2 | 4 |
3 | -10 |
4 | 34 |
5 | -94 |
6 | 298 |
7 | -862 |
8 | 2650 |
9 | -7822 |
10 | 23722 |
11 | -70654 |
12 | 212986 |
13 | -636910 |
14 | 1914826 |
15 | -5736286 |
16 | 17225242 |
17 | -51642958 |
18 | 154994410 |
19 | -464852158 |
20 | 1394818618 |
21 | -4183931566 |
22 | 12552843274 |
23 | -37656432670 |
24 | 112973492314 |
25 | -338912088334 |
26 | 1016753042218 |