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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.

A085275 Sum of n-th composite number and its largest prime divisor.

Table of values

n a(n)
4 6
5 9
6 10
7 12
8 15
9 15
10 21
11 20
12 18
13 21
14 25
15 28
16 33
17 27
18 30
19 39
20 30
21 35
22 35
23 34
24 44
25 51
26 42
27 39
28 57
29 52
30 45
31 49
32 55
33 50
34 69
35 51
36 56
37 55
38 68
39 65
40 57
41 66
42 63
43 76
44 87
45 65
46 93
47 70
48 66
49 78
50 77
51 85
52 92
53 77
54 75
55 111
56 80
57 95
58 88
59 91
60 85
61 84
62 123
63 91
64 102
65 129
66 116
67 99
68 95
69 104
70 115
71 124

List of values

[6, 9, 10, 12, 15, 15, 21, 20, 18, 21, 25, 28, 33, 27, 30, 39, 30, 35, 35, 34, 44, 51, 42, 39, 57, 52, 45, 49, 55, 50, 69, 51, 56, 55, 68, 65, 57, 66, 63, 76, 87, 65, 93, 70, 66, 78, 77, 85, 92, 77, 75, 111, 80, 95, 88, 91, 85, 84, 123, 91, 102, 129, 116, 99, 95, 104, 115, 124]

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

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