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.

A169975 Expansion of Product_{i>=0} (1 + x^(4*i+1)).

Table of values

n a(n)
0 1
1 1
2 0
3 0
4 0
5 1
6 1
7 0
8 0
9 1
10 1
11 0
12 0
13 1
14 2
15 1
16 0
17 1
18 2
19 1
20 0
21 1
22 3
23 2
24 0
25 1
26 3
27 3
28 1
29 1
30 4
31 4
32 1
33 1
34 4
35 5
36 2
37 1
38 5
39 7
40 3
41 1
42 5
43 8
44 5
45 2
46 6
47 10
48 6
49 2
50 6
51 12
52 9
53 3
54 7
55 14
56 11
57 4
58 7
59 16
60 15
61 6
62 8
63 19
64 18
65 8
66 9
67 21
68 23
69 11
70 10
71 24
72 27
73 14
74 11
75 27
76 34
77 19
78 13
79 30
80 39
81 24
82 15
83 33
84 47
85 31
86 18
87 37
88 54
89 38

List of values

[1, 1, 0, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 2, 1, 0, 1, 2, 1, 0, 1, 3, 2, 0, 1, 3, 3, 1, 1, 4, 4, 1, 1, 4, 5, 2, 1, 5, 7, 3, 1, 5, 8, 5, 2, 6, 10, 6, 2, 6, 12, 9, 3, 7, 14, 11, 4, 7, 16, 15, 6, 8, 19, 18, 8, 9, 21, 23, 11, 10, 24, 27, 14, 11, 27, 34, 19, 13, 30, 39, 24, 15, 33, 47, 31, 18, 37, 54, 38]