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.

A204263 Symmetric matrix: f(i,j)=(i+j mod 3), by antidiagonals.

Table of values

n a(n)
1 2
2 0
3 0
4 1
5 1
6 1
7 2
8 2
9 2
10 2
11 0
12 0
13 0
14 0
15 0
16 1
17 1
18 1
19 1
20 1
21 1
22 2
23 2
24 2
25 2
26 2
27 2
28 2
29 0
30 0
31 0
32 0
33 0
34 0
35 0
36 0
37 1
38 1
39 1
40 1
41 1
42 1
43 1
44 1
45 1
46 2
47 2
48 2
49 2
50 2
51 2
52 2
53 2
54 2
55 2
56 0
57 0
58 0
59 0
60 0
61 0
62 0
63 0
64 0
65 0
66 0
67 1
68 1
69 1
70 1
71 1
72 1
73 1
74 1
75 1
76 1
77 1
78 1
79 2
80 2
81 2
82 2
83 2
84 2
85 2
86 2
87 2
88 2
89 2
90 2
91 2
92 0
93 0
94 0
95 0
96 0
97 0
98 0
99 0

List of values

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