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.

A282380 Number of ways to write n as a sum of two unordered nonsquarefree numbers.

Table of values

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

List of values

[0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 2, 1, 1, 0, 2, 1, 1, 0, 3, 1, 1, 1, 3, 2, 1, 1, 4, 2, 2, 1, 6, 2, 1, 1, 5, 2, 1, 2, 5, 3, 1, 1, 6, 3, 2, 1, 7, 4, 4, 1, 7, 4, 4, 2, 7, 4, 3, 3, 8, 4, 3, 3, 9, 4, 4, 2, 12, 4, 4, 3, 10, 5, 3, 4, 10, 6, 3, 3, 11, 5, 3, 3, 12, 5, 6, 3, 11, 6, 5, 4, 12, 5, 5, 7, 14, 5, 6, 5, 14, 5, 6]