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.

A001817 G.f.: Sum_{n>0} x^n/(1-x^(3n)) = Sum_{n>=0} x^(3n+1)/(1-x^(3n+1)).

Table of values

n a(n)
1 1
2 1
3 1
4 2
5 1
6 1
7 2
8 2
9 1
10 2
11 1
12 2
13 2
14 2
15 1
16 3
17 1
18 1
19 2
20 3
21 2
22 2
23 1
24 2
25 2
26 2
27 1
28 4
29 1
30 2
31 2
32 3
33 1
34 2
35 2
36 2
37 2
38 2
39 2
40 4
41 1
42 2
43 2
44 3
45 1
46 2
47 1
48 3
49 3
50 3
51 1
52 4
53 1
54 1
55 2
56 4
57 2
58 2
59 1
60 3
61 2
62 2
63 2
64 4
65 2
66 2
67 2
68 3
69 1
70 4
71 1
72 2
73 2
74 2
75 2
76 4
77 2
78 2
79 2
80 5
81 1
82 2
83 1
84 4
85 2
86 2
87 1
88 4
89 1
90 2
91 4
92 3
93 2
94 2
95 2
96 3
97 2
98 3
99 1
100 5
101 1
102 2
103 2
104 4
105 2

List of values

[1, 1, 1, 2, 1, 1, 2, 2, 1, 2, 1, 2, 2, 2, 1, 3, 1, 1, 2, 3, 2, 2, 1, 2, 2, 2, 1, 4, 1, 2, 2, 3, 1, 2, 2, 2, 2, 2, 2, 4, 1, 2, 2, 3, 1, 2, 1, 3, 3, 3, 1, 4, 1, 1, 2, 4, 2, 2, 1, 3, 2, 2, 2, 4, 2, 2, 2, 3, 1, 4, 1, 2, 2, 2, 2, 4, 2, 2, 2, 5, 1, 2, 1, 4, 2, 2, 1, 4, 1, 2, 4, 3, 2, 2, 2, 3, 2, 3, 1, 5, 1, 2, 2, 4, 2]