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.

A340455 G.f.: Sum_{n>=0} x^(2*n)/(1 - x^(5*n+2)) - x*Sum_{n>=0} x^(3*n)/(1 - x^(5*n+3)).

Table of values

n a(n)
0 1
1 -1
2 2
3 0
4 0
5 0
6 2
7 -2
8 2
9 1
10 0
11 0
12 1
13 -2
14 2
15 0
16 2
17 0
18 2
19 -2
20 0
21 0
22 0
23 2
24 2
25 -2
26 2
27 0
28 -1
29 0
30 4
31 -2
32 2
33 -1
34 0
35 0
36 0
37 0
38 2
39 0
40 2
41 0
42 2
43 -2
44 2
45 0
46 -2
47 0
48 2
49 -2
50 2
51 2
52 0
53 0
54 2
55 -2
56 2
57 1
58 2
59 -2
60 0
61 -2
62 2
63 0
64 1
65 2
66 2
67 -2
68 0
69 0
70 0
71 0
72 2
73 -2
74 4

List of values

[1, -1, 2, 0, 0, 0, 2, -2, 2, 1, 0, 0, 1, -2, 2, 0, 2, 0, 2, -2, 0, 0, 0, 2, 2, -2, 2, 0, -1, 0, 4, -2, 2, -1, 0, 0, 0, 0, 2, 0, 2, 0, 2, -2, 2, 0, -2, 0, 2, -2, 2, 2, 0, 0, 2, -2, 2, 1, 2, -2, 0, -2, 2, 0, 1, 2, 2, -2, 0, 0, 0, 0, 2, -2, 4]