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 | 2 |
3 | -3 |
4 | 5 |
5 | -9 |
6 | 17 |
7 | -35 |
8 | 78 |
9 | -180 |
10 | 424 |
11 | -1007 |
12 | 2397 |
13 | -5717 |
14 | 13671 |
15 | -32808 |
16 | 79074 |
17 | -191458 |
18 | 465654 |
19 | -1137279 |
20 | 2788086 |
21 | -6858079 |
22 | 16919890 |
23 | -41856203 |
24 | 103796588 |
25 | -257976965 |
26 | 642512314 |
27 | -1603329098 |
28 | 4008201233 |
29 | -10037187453 |
30 | 25174707801 |
31 | -63236031835 |
32 | 159064703284 |