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.

A240067 Twice prime octonion integers shown as 8-vectors sorted by norm and then real and 7 imaginary components.

Table of values

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

List of values

[2, 2, 0, 0, 0, 0, 0, 0, 2, 1, 1, 1, 1, 0, 0, 0, 2, 1, 1, 1, 0, 1, 0, 0, 2, 1, 1, 1, 0, 0, 1, 0, 2, 1, 1, 1, 0, 0, 0, 1, 2, 1, 1, 1, 0, 0, 0, -1, 2, 1, 1, 1, 0, 0, -1, 0, 2, 1, 1, 1, 0, -1, 0, 0, 2, 1, 1, 1, -1, 0, 0, 0, 2, 1, 1, 0, 1, 1, 0, 0, 2, 1, 1, 0, 1, 0, 1, 0]