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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.

A258915 The number of n-digit near-repdigit primes (A164937).

Table of values

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

List of values

[0, 0, 46, 43, 40, 53, 35, 49, 40, 38, 44, 52, 35, 45, 49, 42, 38, 57, 27, 45, 38, 47, 37, 52, 33, 45, 56, 38, 36, 65, 29, 56, 48, 40, 38, 58, 37, 33, 57, 40, 37, 61, 41, 39, 37, 44, 36, 55, 47, 43, 47, 43, 35, 62, 43, 46, 29, 35, 37, 56, 39, 41, 46, 48, 39, 74, 45, 34, 34, 35, 34, 67]

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

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