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.

A204002 Symmetric matrix based on f(i,j)=min{2i+j,i+2j}, by antidiagonals.

Table of values

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

List of values

[3, 4, 4, 5, 6, 5, 6, 7, 7, 6, 7, 8, 9, 8, 7, 8, 9, 10, 10, 9, 8, 9, 10, 11, 12, 11, 10, 9, 10, 11, 12, 13, 13, 12, 11, 10, 11, 12, 13, 14, 15, 14, 13, 12, 11, 12, 13, 14, 15, 16, 16, 15, 14, 13, 12, 13, 14, 15, 16, 17, 18, 17, 16, 15, 14, 13, 14, 15, 16, 17, 18, 19, 19]

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