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.

A182720 Triangle read by rows: T(n,k) = A000041(k) if k divides n, T(n,k)=0 otherwise.

Table of values

n a(n)
1 1
2 1
3 2
4 1
5 0
6 3
7 1
8 2
9 0
10 5
11 1
12 0
13 0
14 0
15 7
16 1
17 2
18 3
19 0
20 0
21 11
22 1
23 0
24 0
25 0
26 0
27 0
28 15
29 1
30 2
31 0
32 5
33 0
34 0
35 0
36 22
37 1
38 0
39 3
40 0
41 0
42 0
43 0
44 0
45 30
46 1
47 2
48 0
49 0
50 7
51 0
52 0
53 0
54 0
55 42
56 1
57 0
58 0
59 0
60 0
61 0
62 0
63 0
64 0
65 0
66 56
67 1
68 2
69 3
70 5
71 0
72 11
73 0
74 0
75 0
76 0
77 0
78 77
79 1
80 0
81 0
82 0
83 0
84 0
85 0
86 0
87 0
88 0
89 0
90 0
91 101
92 1
93 2
94 0
95 0
96 0
97 0
98 15
99 0
100 0
101 0
102 0
103 0
104 0
105 135
106 1
107 0
108 3
109 0
110 7
111 0
112 0
113 0
114 0
115 0
116 0
117 0
118 0
119 0
120 176

List of values

[1, 1, 2, 1, 0, 3, 1, 2, 0, 5, 1, 0, 0, 0, 7, 1, 2, 3, 0, 0, 11, 1, 0, 0, 0, 0, 0, 15, 1, 2, 0, 5, 0, 0, 0, 22, 1, 0, 3, 0, 0, 0, 0, 0, 30, 1, 2, 0, 0, 7, 0, 0, 0, 0, 42, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 56, 1, 2, 3, 5, 0, 11, 0, 0, 0, 0, 0, 77, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 101, 1, 2, 0, 0, 0, 0, 15, 0, 0, 0, 0, 0, 0, 135, 1, 0, 3, 0, 7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 176]