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.

A108619 A quaternion-generated sequence calculated using the rules given in the comment box with initial seed x = .5'i + .5'j + .5'k + .5e; version: "base".

Table of values

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

List of values

[1, 2, 3, 2, 1, 0, -2, -3, 0, 3, 4, 3, 0, -4, -5, 0, 5, 6, 3, -2, -6, -5, 2, 10, 11, 2, -7, -8, -1, 8, 12, 6, -4, -11, -6, 5, 12, 10, 0, -11, -10, 1, 12, 14, 4, -8, -13, -4, 9, 14, 7, -6, -14, -9, 6, 18, 15, -2, -18, -17, 2, 22, 23, 2, -19, -20, -1, 20, 24, 6, -16, -23, -6, 17, 24, 9, -14, -24, -10, 14, 27, 14, -11, -24, -14, 10, 27, 18, -7]