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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.

A355037 a(n) is the product of the digits of n in primorial base.

Table of values

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

List of values

[0, 1, 0, 1, 0, 2, 0, 0, 0, 1, 0, 2, 0, 0, 0, 2, 0, 4, 0, 0, 0, 3, 0, 6, 0, 0, 0, 4, 0, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 2, 0, 0, 0, 2, 0, 4, 0, 0, 0, 3, 0, 6, 0, 0, 0, 4, 0, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 4, 0, 0, 0, 4, 0, 8, 0, 0, 0, 6, 0, 12, 0, 0, 0]

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