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.

A163577 Count of indices x in [0,n] that satisfy the equation A000120(x) + A000120(n-x) = A000120(n) + 2.

Table of values

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

List of values

[0, 0, 0, 0, 2, 0, 1, 0, 2, 4, 1, 0, 5, 2, 2, 0, 2, 4, 5, 8, 5, 2, 4, 0, 5, 10, 4, 4, 10, 4, 4, 0, 2, 4, 5, 8, 9, 10, 12, 16, 5, 10, 6, 4, 12, 8, 8, 0, 5, 10, 12, 20, 12, 8, 12, 8, 10, 20, 8, 8, 20, 8, 8, 0, 2, 4, 5, 8, 9, 10, 12, 16, 9, 18, 14, 20, 20, 24, 24, 32, 5, 10, 14, 20, 14, 12, 16, 8, 12, 24]