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.

A273133 a(n) = n minus the bottom entry of the difference table of the divisors of n.

Table of values

n a(n)
1 0
2 1
3 1
4 3
5 1
6 4
7 1
8 7
9 5
10 10
11 1
12 11
13 1
14 16
15 7
16 15
17 1
18 6
19 1
20 31
21 13
22 28
23 1
24 36
25 9
26 34
27 19
28 31
29 1
30 -20
31 1
32 31
33 25
34 46
35 7
36 47
37 1
38 52
39 31
40 106
41 1
42 -62
43 1
44 31
45 21
46 64
47 1
48 151
49 13
50 66
51 43
52 31
53 1
54 -34
55 19
56 8
57 49
58 82
59 1
60 727
61 1
62 88
63 71
64 63
65 25
66 -6
67 1
68 31
69 61
70 148
71 1
72 12
73 1
74 106
75 11
76 31
77 13
78 22
79 1
80 439
81 65
82 118
83 1
84 1541

List of values

[0, 1, 1, 3, 1, 4, 1, 7, 5, 10, 1, 11, 1, 16, 7, 15, 1, 6, 1, 31, 13, 28, 1, 36, 9, 34, 19, 31, 1, -20, 1, 31, 25, 46, 7, 47, 1, 52, 31, 106, 1, -62, 1, 31, 21, 64, 1, 151, 13, 66, 43, 31, 1, -34, 19, 8, 49, 82, 1, 727, 1, 88, 71, 63, 25, -6, 1, 31, 61, 148, 1, 12, 1, 106, 11, 31, 13, 22, 1, 439, 65, 118, 1, 1541]