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.

A238857 Array read by rows: row n lists total number of m-digit right-truncatable reversible primes in base n.

Table of values

n a(n)
2 0
3 1
4 1
5 1
6 0
7 2
8 1
9 1
10 0
11 2
12 4
13 4
14 2
15 0
16 3
17 1
18 1
19 0
20 3
21 5
22 3
23 1
24 0
25 4
26 7
27 7
28 5
29 1
30 0
31 4
32 5
33 5
34 3
35 0
36 4
37 5
38 6
39 1
40 0
41 4
42 8
43 7
44 9
45 4
46 1
47 0
48 5
49 5
50 7
51 5
52 0
53 5
54 10
55 8
56 4
57 1
58 1
59 0
60 6
61 11
62 17
63 12
64 3
65 1
66 0
67 6
68 11
69 13
70 6
71 2
72 1
73 0
74 6
75 9
76 11
77 9
78 4
79 1
80 0
81 6
82 13
83 12
84 7
85 1
86 0
87 7
88 9
89 7
90 1
91 0

List of values

[0, 1, 1, 1, 0, 2, 1, 1, 0, 2, 4, 4, 2, 0, 3, 1, 1, 0, 3, 5, 3, 1, 0, 4, 7, 7, 5, 1, 0, 4, 5, 5, 3, 0, 4, 5, 6, 1, 0, 4, 8, 7, 9, 4, 1, 0, 5, 5, 7, 5, 0, 5, 10, 8, 4, 1, 1, 0, 6, 11, 17, 12, 3, 1, 0, 6, 11, 13, 6, 2, 1, 0, 6, 9, 11, 9, 4, 1, 0, 6, 13, 12, 7, 1, 0, 7, 9, 7, 1, 0]