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.

A351084 a(n) = gcd(n, A328572(n)), where A328572 converts the primorial base expansion of n into its prime product form, but with 1 subtracted from all nonzero digits.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 1
5 1
6 1
7 1
8 1
9 1
10 1
11 1
12 1
13 1
14 1
15 5
16 1
17 1
18 1
19 1
20 5
21 1
22 1
23 1
24 1
25 25
26 1
27 1
28 1
29 1
30 1
31 1
32 1
33 1
34 1
35 1
36 1
37 1
38 1
39 1
40 1
41 1
42 1
43 1
44 1
45 5
46 1
47 1
48 1
49 1
50 25
51 1
52 1
53 1
54 1
55 5
56 1
57 1
58 1
59 1
60 1
61 1
62 1
63 7
64 1
65 1
66 1
67 1
68 1
69 1
70 7
71 1
72 1
73 1
74 1
75 5
76 1
77 7
78 1
79 1
80 5
81 1
82 1
83 1
84 7
85 5
86 1
87 1
88 1
89 1
90 1
91 7
92 1
93 1
94 1
95 1
96 1
97 1
98 49
99 1
100 1
101 1
102 1
103 1
104 1
105 35

List of values

[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 5, 1, 1, 1, 1, 5, 1, 1, 1, 1, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 5, 1, 1, 1, 1, 25, 1, 1, 1, 1, 5, 1, 1, 1, 1, 1, 1, 1, 7, 1, 1, 1, 1, 1, 1, 7, 1, 1, 1, 1, 5, 1, 7, 1, 1, 5, 1, 1, 1, 7, 5, 1, 1, 1, 1, 1, 7, 1, 1, 1, 1, 1, 1, 49, 1, 1, 1, 1, 1, 1, 35]