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.

A371409 Irregular triangle T(n,k) read by rows: row n lists the positions of right parentheses in the properly nested string of parentheses encoded by A063171(n).

Table of values

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

List of values

[2, 2, 4, 3, 4, 2, 4, 6, 2, 5, 6, 3, 4, 6, 3, 5, 6, 4, 5, 6, 2, 4, 6, 8, 2, 4, 7, 8, 2, 5, 6, 8, 2, 5, 7, 8, 2, 6, 7, 8, 3, 4, 6, 8, 3, 4, 7, 8, 3, 5, 6, 8, 3, 5, 7, 8, 3, 6, 7, 8, 4, 5, 6, 8, 4, 5, 7, 8, 4, 6, 7, 8, 5, 6, 7, 8, 2, 4, 6, 8, 10, 2, 4, 6, 9, 10, 2, 4, 7, 8, 10]