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.

A204259 Matrix given by f(i,j) = 1 + [(2i+j) mod 3], by antidiagonals.

Table of values

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

List of values

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