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.

A239933 Triangle read by rows in which row n lists the parts of the symmetric representation of sigma(4n-1).

Table of values

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

List of values

[2, 2, 4, 4, 6, 6, 8, 8, 8, 10, 10, 12, 12, 14, 6, 6, 14, 16, 16, 18, 12, 18, 20, 8, 8, 20, 22, 22, 24, 24, 26, 10, 10, 26, 28, 8, 8, 28, 30, 30, 32, 12, 16, 12, 32, 34, 34, 36, 36, 38, 24, 24, 38, 40, 40, 42, 42, 44, 16, 16, 44, 46, 20, 46, 48, 12, 12, 48, 50, 18, 20, 18, 50, 52, 52, 54, 54, 56, 20, 20, 56, 58, 14, 14, 58, 60, 12, 12, 60, 62, 22, 22, 62, 64, 64]