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.

A024316 a(n) = s(1)*s(n) + s(2)*s(n-1) + ... + s(k)*s(n+1-k), where k = floor((n+1)/2), s = A023531.

Table of values

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

List of values

[0, 0, 1, 0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, 2, 0, 0, 1, 0, 1, 0, 1, 1, 0, 0, 2, 1, 0, 0, 1, 0, 1, 1, 0, 2, 0, 0, 0, 1, 1, 1, 1, 0, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 1, 0, 2, 1, 0, 0, 2, 0, 0, 0, 0, 3, 0, 1, 1, 0, 0, 1, 1, 0, 1, 1, 0, 1]