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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.

A237117 Remainder mod p of the smallest semiprime of the form k^p+1, where p = prime(n); or -1 if no such semiprime exists.

Table of values

n a(n)
1 0
2 0
3 3
4 3
5 3
6 3
7 3
8 3
9 3
10 24
11 3
12 17
13 26
14 3
15 7
16 11
17 7
18 3
19 11
20 47
21 19
22 3
23 5
24 17
25 71
26 3
27 97
28 7
29 13
30 32
31 3
32 97
33 67
34 31
35 17
36 48
37 23
38 53
39 3
40 17
41 157
42 108
43 3
44 13
45 53
46 3
47 67
48 47
49 23
50 97
51 88
52 127
53 106
54 17
55 37
56 97
57 145
58 89
59 73
60 53
61 173
62 11
63 17
64 106
65 3
66 17
67 47
68 323
69 3
70 112
71 23
72 314
73 37
74 29
75 331
76 174
77 266
78 194
79 226
80 397
81 29
82 16
83 176
84 45
85 44
86 152
87 373
88 349
89 101
90 143
91 53
92 386
93 133
94 29
95 345
96 1

List of values

[0, 0, 3, 3, 3, 3, 3, 3, 3, 24, 3, 17, 26, 3, 7, 11, 7, 3, 11, 47, 19, 3, 5, 17, 71, 3, 97, 7, 13, 32, 3, 97, 67, 31, 17, 48, 23, 53, 3, 17, 157, 108, 3, 13, 53, 3, 67, 47, 23, 97, 88, 127, 106, 17, 37, 97, 145, 89, 73, 53, 173, 11, 17, 106, 3, 17, 47, 323, 3, 112, 23, 314, 37, 29, 331, 174, 266, 194, 226, 397, 29, 16, 176, 45, 44, 152, 373, 349, 101, 143, 53, 386, 133, 29, 345, 1]