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.

A373833 a(n) = gcd(n, A276150(n)), where A276150 is the digit sum in the primorial base.

Table of values

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

List of values

[0, 1, 1, 1, 2, 1, 1, 1, 2, 3, 1, 1, 2, 1, 1, 1, 4, 1, 3, 1, 4, 1, 1, 1, 4, 5, 1, 3, 2, 1, 1, 1, 2, 3, 1, 1, 2, 1, 1, 1, 4, 1, 3, 1, 4, 5, 1, 1, 4, 1, 5, 3, 2, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 4, 5, 3, 1, 4, 1, 5, 1, 4, 1, 1, 3, 2, 7, 1, 1, 2, 1, 1, 1, 6, 1, 1, 1, 8, 1, 3, 1, 4, 1, 1, 1, 4, 1, 1, 3, 2, 1, 1, 1, 2, 7]