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.

A026181 a(n) = (1/2)*(s(n) - s(n-1)), where s = A026180.

Table of values

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

List of values

[3, 1, 2, 3, 3, 1, 2, 1, 2, 3, 1, 2, 3, 3, 1, 2, 3, 3, 1, 2, 1, 2, 3, 1, 2, 1, 2, 3, 1, 2, 3, 3, 1, 2, 1, 2, 3, 1, 2, 3, 3, 1, 2, 3, 3, 1, 2, 1, 2, 3, 1, 2, 3, 3, 1, 2, 3, 3, 1, 2, 1, 2, 3, 1, 2, 1, 2, 3, 1, 2, 3, 3, 1, 2, 1, 2, 3, 1, 2, 1, 2, 3, 1, 2, 3, 3, 1, 2, 1, 2]