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.

A170972 Expansion of Product_{i=0..m-1} (1 + x^(4*i+1)) for m = 9.

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 0
38 4
39 7
40 3
41 0
42 3
43 7
44 5
45 1
46 3
47 8
48 6
49 1
50 2
51 8
52 8
53 2
54 2
55 8
56 9
57 3
58 1
59 7
60 11
61 5
62 1
63 7
64 11
65 6
66 1
67 5
68 12
69 8
70 1
71 4
72 11
73 9
74 2
75 3
76 11
77 11
78 3
79 2
80 9
81 11
82 4
83 1
84 8
85 12
86 5
87 1
88 6
89 11
90 7
91 1
92 5
93 11
94 7
95 1
96 3
97 9
98 8
99 2
100 2

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, 0, 4, 7, 3, 0, 3, 7, 5, 1, 3, 8, 6, 1, 2, 8, 8, 2, 2, 8, 9, 3, 1, 7, 11, 5, 1, 7, 11, 6, 1, 5, 12, 8, 1, 4, 11, 9, 2, 3, 11, 11, 3, 2, 9, 11, 4, 1, 8, 12, 5, 1, 6, 11, 7, 1, 5, 11, 7, 1, 3, 9, 8, 2, 2]