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.

A276391 G.f. satisfies A(x) - 4*A(x^2) = x/(1+x).

Table of values

n a(n)
1 1
2 3
3 1
4 11
5 1
6 3
7 1
8 43
9 1
10 3
11 1
12 11
13 1
14 3
15 1
16 171
17 1
18 3
19 1
20 11
21 1
22 3
23 1
24 43
25 1
26 3
27 1
28 11
29 1
30 3
31 1
32 683
33 1
34 3
35 1
36 11
37 1
38 3
39 1
40 43
41 1
42 3
43 1
44 11
45 1
46 3
47 1
48 171
49 1
50 3
51 1
52 11
53 1
54 3
55 1
56 43
57 1
58 3
59 1
60 11
61 1
62 3
63 1
64 2731
65 1
66 3
67 1
68 11
69 1
70 3
71 1
72 43
73 1
74 3
75 1
76 11
77 1
78 3
79 1
80 171
81 1
82 3
83 1
84 11
85 1
86 3
87 1
88 43
89 1
90 3
91 1
92 11
93 1
94 3
95 1
96 683
97 1
98 3
99 1
100 11
101 1
102 3

List of values

[1, 3, 1, 11, 1, 3, 1, 43, 1, 3, 1, 11, 1, 3, 1, 171, 1, 3, 1, 11, 1, 3, 1, 43, 1, 3, 1, 11, 1, 3, 1, 683, 1, 3, 1, 11, 1, 3, 1, 43, 1, 3, 1, 11, 1, 3, 1, 171, 1, 3, 1, 11, 1, 3, 1, 43, 1, 3, 1, 11, 1, 3, 1, 2731, 1, 3, 1, 11, 1, 3, 1, 43, 1, 3, 1, 11, 1, 3, 1, 171, 1, 3, 1, 11, 1, 3, 1, 43, 1, 3, 1, 11, 1, 3, 1, 683, 1, 3, 1, 11, 1, 3]