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.

A340456 G.f.: Sum_{n>=0} x^n/(1 - x^(5*n+1)) - x^3*Sum_{n>=0} x^(4*n)/(1 - x^(5*n+4)).

Table of values

n a(n)
0 1
1 2
2 2
3 1
4 2
5 2
6 2
7 1
8 2
9 2
10 2
11 0
12 2
13 4
14 2
15 0
16 1
17 2
18 2
19 2
20 2
21 2
22 2
23 0
24 3
25 2
26 2
27 0
28 2
29 2
30 2
31 2
32 2
33 2
34 0
35 2
36 2
37 4
38 2
39 -1
40 2
41 2
42 2
43 0
44 2
45 2
46 4
47 0
48 2
49 4
50 2
51 1
52 0
53 0
54 2
55 2
56 2
57 4
58 2
59 0
60 2
61 2
62 2
63 0
64 2
65 2
66 2
67 2
68 4
69 2
70 0
71 0
72 1
73 4
74 2
75 0
76 2
77 2
78 2
79 2
80 2
81 0
82 2
83 2
84 2
85 4

List of values

[1, 2, 2, 1, 2, 2, 2, 1, 2, 2, 2, 0, 2, 4, 2, 0, 1, 2, 2, 2, 2, 2, 2, 0, 3, 2, 2, 0, 2, 2, 2, 2, 2, 2, 0, 2, 2, 4, 2, -1, 2, 2, 2, 0, 2, 2, 4, 0, 2, 4, 2, 1, 0, 0, 2, 2, 2, 4, 2, 0, 2, 2, 2, 0, 2, 2, 2, 2, 4, 2, 0, 0, 1, 4, 2, 0, 2, 2, 2, 2, 2, 0, 2, 2, 2, 4]