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.

A339210 a(n) = Sum_{k=0..(n+1)/2} A010815(n*k).

Table of values

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

List of values

[0, 0, 1, 1, 1, 0, 2, 1, 1, 0, 2, 0, 2, 0, 0, 1, 2, 0, 2, 1, 1, 1, 2, 1, 2, 1, 1, 2, 2, 1, 2, 1, 1, 0, 0, 1, 2, 0, 0, 0, 2, 0, 2, 0, 2, 1, 2, 0, 2, 1, 2, 0, 2, 0, 2, 1, 2, 0, 2, 0, 2, 0, 0, 1, 1, -1, 2, 1, 0, 2, 2, 0, 2, 1, 1, 1, 1, 0, 2, 2, 1, 0, 2, 0, 1, 0]