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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.

A086104 Primes appearing as concatenation of the last digit of Prime[A086101(n)] and the first digit of Prime[A086101(n)+1].

Table of values

n a(n)
1 23
2 71
3 11
4 31
5 71
6 13
7 17
8 37
9 71
10 11
11 31
12 71
13 31
14 71
15 11
16 71
17 11
18 71
19 31
20 71
21 31
22 11
23 11
24 31
25 71
26 73
27 13
28 73
29 13
30 73
31 73
32 73
33 17
34 17
35 97
36 97
37 37
38 97
39 37
40 17
41 17
42 97
43 37
44 79
45 79
46 19
47 79
48 19
49 79
50 79
51 19
52 79
53 19
54 71
55 31
56 11
57 11
58 31
59 11
60 11
61 31
62 71
63 11
64 31
65 71
66 31
67 71
68 31
69 11

List of values

[23, 71, 11, 31, 71, 13, 17, 37, 71, 11, 31, 71, 31, 71, 11, 71, 11, 71, 31, 71, 31, 11, 11, 31, 71, 73, 13, 73, 13, 73, 73, 73, 17, 17, 97, 97, 37, 97, 37, 17, 17, 97, 37, 79, 79, 19, 79, 19, 79, 79, 19, 79, 19, 71, 31, 11, 11, 31, 11, 11, 31, 71, 11, 31, 71, 31, 71, 31, 11]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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