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.

A108769 Numbers m such that m^2 + (m+1)^2 is a semiprime.

Table of values

n a(n)
1 3
2 6
3 8
4 10
5 11
6 13
7 15
8 16
9 18
10 20
11 26
12 27
13 31
14 33
15 37
16 38
17 40
18 43
19 44
20 45
21 48
22 51
23 52
24 54
25 55
26 56
27 57
28 59
29 62
30 63
31 64
32 67
33 68
34 73
35 74
36 75
37 76
38 77
39 80
40 81
41 83
42 89
43 92
44 94
45 98
46 105
47 107
48 111
49 112
50 113
51 114
52 117
53 120
54 123
55 124
56 129
57 131
58 133
59 134
60 138
61 140
62 141
63 142
64 143

List of values

[3, 6, 8, 10, 11, 13, 15, 16, 18, 20, 26, 27, 31, 33, 37, 38, 40, 43, 44, 45, 48, 51, 52, 54, 55, 56, 57, 59, 62, 63, 64, 67, 68, 73, 74, 75, 76, 77, 80, 81, 83, 89, 92, 94, 98, 105, 107, 111, 112, 113, 114, 117, 120, 123, 124, 129, 131, 133, 134, 138, 140, 141, 142, 143]

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

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