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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.

A256262 Number of successive odd numbers that are not twin primes and number of successive twin primes, interleaved.

Table of values

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

List of values

[1, 3, 1, 2, 1, 2, 4, 2, 4, 2, 7, 2, 4, 2, 13, 2, 1, 2, 13, 2, 4, 2, 13, 2, 4, 2, 1, 2, 13, 2, 4, 2, 13, 2, 4, 2, 13, 2, 16, 2, 34, 2, 4, 2, 13, 2, 28, 2, 22, 2, 13, 2, 7, 2, 10, 2, 7, 2, 73, 2, 4, 2, 1, 2, 13, 2, 10, 2, 67, 2, 4, 2, 7, 2, 4, 2, 13, 2, 28, 2]

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