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.

A318506 a(n) = A032742(n) OR A001065(n)-A032742(n), where OR is bitwise-or (A003986) and A001065 = sum of proper divisors and A032742 = the largest proper divisor of n.

Table of values

n a(n)
1 1
2 1
3 1
4 3
5 1
6 3
7 1
8 7
9 3
10 7
11 1
12 14
13 1
14 7
15 5
16 15
17 1
18 13
19 1
20 14
21 7
22 11
23 1
24 28
25 5
26 15
27 13
28 14
29 1
30 31
31 1
32 31
33 15
34 19
35 7
36 55
37 1
38 19
39 13
40 30
41 1
42 53
43 1
44 22
45 31
46 23
47 1
48 60
49 7
50 27
51 21
52 30
53 1
54 63
55 15
56 60
57 23
58 31
59 1
60 94
61 1
62 31
63 21
64 63
65 15
66 45
67 1
68 58
69 23
70 39
71 1
72 119
73 1
74 39
75 25
76 62
77 11
78 55
79 1
80 106
81 31
82 43
83 1
84 106
85 23
86 43
87 29
88 60
89 1
90 111
91 13
92 62
93 31

List of values

[1, 1, 1, 3, 1, 3, 1, 7, 3, 7, 1, 14, 1, 7, 5, 15, 1, 13, 1, 14, 7, 11, 1, 28, 5, 15, 13, 14, 1, 31, 1, 31, 15, 19, 7, 55, 1, 19, 13, 30, 1, 53, 1, 22, 31, 23, 1, 60, 7, 27, 21, 30, 1, 63, 15, 60, 23, 31, 1, 94, 1, 31, 21, 63, 15, 45, 1, 58, 23, 39, 1, 119, 1, 39, 25, 62, 11, 55, 1, 106, 31, 43, 1, 106, 23, 43, 29, 60, 1, 111, 13, 62, 31]