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) |
---|---|
1 | 0 |
2 | -1 |
3 | -2 |
4 | 1 |
5 | -3 |
6 | -4 |
7 | 2 |
8 | 3 |
9 | 5 |
10 | 4 |
11 | 6 |
12 | -5 |
13 | 7 |
14 | -6 |
15 | 8 |
16 | -7 |
17 | 9 |
18 | -8 |
19 | 10 |
20 | -9 |
21 | 11 |
22 | 12 |
23 | -10 |
24 | -11 |
25 | 13 |
26 | 14 |
27 | -12 |
28 | -13 |
29 | 15 |
30 | 16 |
31 | -14 |
32 | -15 |
33 | 18 |
34 | -16 |
35 | 17 |
36 | 19 |
37 | -17 |
38 | 20 |
39 | -19 |
40 | -18 |
41 | 21 |
42 | 22 |
43 | -20 |
44 | -21 |
45 | 24 |
46 | -22 |
47 | 23 |
48 | 25 |
49 | -23 |
50 | 26 |
51 | -24 |
52 | -25 |
53 | 27 |
54 | 28 |
55 | -26 |
56 | -27 |
57 | 30 |
58 | -28 |
59 | 29 |
60 | 31 |
61 | -29 |
62 | 32 |