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.

A374116 a(n) = gcd(A328768(n), A328845(n)), where A328768 is the first primorial based variant and A328845 is the first Fibonacci-based variant of the arithmetic derivative, respectively.

Table of values

n a(n)
0 0
1 0
2 1
3 2
4 4
5 1
6 7
7 1
8 12
9 12
10 1
11 1
12 20
13 1
14 1
15 1
16 32
17 1
18 33
19 1
20 4
21 1
22 1
23 1
24 52
25 10
26 1
27 54
28 4
29 1
30 1
31 1
32 80
33 1
34 1
35 4
36 84
37 1
38 1
39 1
40 4
41 1
42 1
43 1
44 4
45 3
46 1
47 1
48 128
49 14
50 5
51 1
52 4
53 1
54 135
55 4
56 4
57 1
58 1
59 1
60 4
61 1
62 1
63 3
64 192
65 6
66 1
67 1
68 4
69 1
70 1
71 1
72 204
73 1
74 1
75 10
76 4
77 2
78 1
79 1
80 16
81 216
82 1
83 1
84 4
85 6
86 1
87 1
88 4
89 1
90 3
91 360
92 4
93 1
94 1
95 24
96 304
97 1
98 7
99 3
100 20

List of values

[0, 0, 1, 2, 4, 1, 7, 1, 12, 12, 1, 1, 20, 1, 1, 1, 32, 1, 33, 1, 4, 1, 1, 1, 52, 10, 1, 54, 4, 1, 1, 1, 80, 1, 1, 4, 84, 1, 1, 1, 4, 1, 1, 1, 4, 3, 1, 1, 128, 14, 5, 1, 4, 1, 135, 4, 4, 1, 1, 1, 4, 1, 1, 3, 192, 6, 1, 1, 4, 1, 1, 1, 204, 1, 1, 10, 4, 2, 1, 1, 16, 216, 1, 1, 4, 6, 1, 1, 4, 1, 3, 360, 4, 1, 1, 24, 304, 1, 7, 3, 20]