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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.

A376596 Second differences of consecutive prime-powers inclusive (A000961). First differences of A057820.

Table of values

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

List of values

[0, 0, 0, 1, -1, 0, 1, 0, 1, -2, 1, 2, -2, 0, 0, 0, -1, 4, -1, -2, 2, -2, 2, 2, -4, 1, 0, 1, -2, 4, -4, 0, 4, 2, -4, -2, 2, -2, 2, 4, -4, -2, -1, 2, 3, -4, 8, -8, 4, 0, -2, -2, 2, 2, -4, 8, -8, 2, -2, 10, 0, -8, -2, 2, 2, -4, 0, 6, -3, -4, 5, 0, -4, 4, -2, -2]

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