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.

A204257 Matrix given by f(i,j)=1+[(i+2j) mod 3], by antidiagonals.

Table of values

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

List of values

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