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.

A339640 a(n) = (A062772(n) + A054270(n)) / 2 - A001248(n).

Table of values

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

List of values

[0, 0, 1, 1, -1, 1, -1, 2, 3, 5, -1, 1, 0, 5, 1, 2, -1, 2, -1, 4, -1, -3, 2, 2, -1, 1, 1, 8, -4, 3, 4, 2, -4, 5, 10, -4, -4, -2, -1, 8, -1, -1, 5, -1, 3, -7, 4, 4, 1, 2, 1, 4, 5, 8, 8, 8, -1, 2, -4, -2, 3, 1, -8, -4, 1, -1, -4, 10, -2, 15, 8, 10, 2]