cp's OEIS Frontend

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.

A127948 Triangle, A004736 * A127899.

Table of values

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

List of values

[1, 0, 2, -1, 1, 3, -2, 0, 2, 4, -3, -1, 1, 3, 5, -4, -2, 0, 2, 4, 6, -5, -3, -1, 1, 3, 5, 7, -6, -4, -2, 0, 2, 4, 6, 8, -7, -5, -3, -1, 1, 3, 5, 7, 9, -8, -6, -4, -2, 0, 2, 4, 6, 8, 10]