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.

A203996 Symmetric matrix based on f(i,j)=min{i(j+1),j(i+1)}, by antidiagonals.

Table of values

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

List of values

[2, 3, 3, 4, 6, 4, 5, 8, 8, 5, 6, 10, 12, 10, 6, 7, 12, 15, 15, 12, 7, 8, 14, 18, 20, 18, 14, 8, 9, 16, 21, 24, 24, 21, 16, 9, 10, 18, 24, 28, 30, 28, 24, 18, 10, 11, 20, 27, 32, 35, 35, 32, 27, 20, 11, 12, 22, 30, 36, 40, 42, 40, 36, 30, 22, 12, 13, 24, 33, 40, 45, 48]