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.

A203955 Symmetric matrix based on (1,2,3,1,2,3,1,2,3...), by antidiagonals.

Table of values

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

List of values

[1, 2, 2, 3, 5, 3, 1, 8, 8, 1, 2, 5, 14, 5, 2, 3, 5, 11, 11, 5, 3, 1, 8, 11, 15, 11, 8, 1, 2, 5, 14, 13, 13, 14, 5, 2, 3, 5, 11, 14, 19, 14, 11, 5, 3, 1, 8, 11, 15, 19, 19, 15, 11, 8, 1, 2, 5, 14, 13, 16, 28, 16, 13, 14, 5, 2, 3, 5, 11, 14, 19, 22, 22, 19, 14, 11, 5, 3, 1, 8]