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.

A353575 Primepi based arithmetic derivative applied to the prime shadow of the primorial base exp-function: a(n) = A258851(A181819(A276086(n))).

Table of values

n a(n)
0 0
1 1
2 1
3 4
4 2
5 7
6 1
7 4
8 4
9 12
10 7
11 20
12 2
13 7
14 7
15 20
16 12
17 33
18 3
19 11
20 11
21 32
22 19
23 53
24 4
25 15
26 15
27 44
28 26
29 73
30 1
31 4
32 4
33 12
34 7
35 20
36 4
37 12
38 12
39 32
40 20
41 52
42 7
43 20
44 20
45 52
46 33
47 84
48 11
49 32
50 32
51 84
52 53
53 136
54 15
55 44
56 44
57 116
58 73
59 188
60 2
61 7
62 7
63 20
64 12
65 33
66 7
67 20
68 20
69 52
70 33
71 84
72 12
73 33
74 33
75 84
76 54
77 135
78 19
79 53
80 53
81 136
82 87
83 219

List of values

[0, 1, 1, 4, 2, 7, 1, 4, 4, 12, 7, 20, 2, 7, 7, 20, 12, 33, 3, 11, 11, 32, 19, 53, 4, 15, 15, 44, 26, 73, 1, 4, 4, 12, 7, 20, 4, 12, 12, 32, 20, 52, 7, 20, 20, 52, 33, 84, 11, 32, 32, 84, 53, 136, 15, 44, 44, 116, 73, 188, 2, 7, 7, 20, 12, 33, 7, 20, 20, 52, 33, 84, 12, 33, 33, 84, 54, 135, 19, 53, 53, 136, 87, 219]