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.

A338845 No nonprime digit is present in a(n) * a(n+1).

Table of values

n a(n)
1 1
2 2
3 11
4 3
5 9
6 8
7 4
8 13
9 21
10 12
11 6
12 37
13 15
14 5
15 7
16 36
17 62
18 86
19 27
20 101
21 22
22 16
23 17
24 19
25 28
26 84
27 33
28 69
29 83
30 31
31 25
32 23
33 14
34 18
35 29
36 77
37 49
38 48
39 74
40 78
41 94
42 38
43 194
44 378
45 199
46 127
47 175
48 43
49 54
50 143
51 39
52 57
53 41
54 55
55 61
56 53
57 44
58 58
59 134
60 248
61 224
62 123
63 45
64 75
65 47
66 59
67 97
68 26
69 202
70 161
71 157
72 46
73 82
74 271
75 87
76 256

List of values

[1, 2, 11, 3, 9, 8, 4, 13, 21, 12, 6, 37, 15, 5, 7, 36, 62, 86, 27, 101, 22, 16, 17, 19, 28, 84, 33, 69, 83, 31, 25, 23, 14, 18, 29, 77, 49, 48, 74, 78, 94, 38, 194, 378, 199, 127, 175, 43, 54, 143, 39, 57, 41, 55, 61, 53, 44, 58, 134, 248, 224, 123, 45, 75, 47, 59, 97, 26, 202, 161, 157, 46, 82, 271, 87, 256]